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Women’s experiences of pharmacological and non-pharmacological pain relief methods for labour and childbirth: a qualitative systematic review

Abstract

Background

Many women use pharmacological or non-pharmacological pain relief during childbirth. Evidence from Cochrane reviews shows that effective pain relief is not always associated with high maternal satisfaction scores. However, understanding women’s views is important for good quality maternity care provision. We undertook a qualitative evidence synthesis of women’s views and experiences of pharmacological (epidural, opioid analgesia) and non-pharmacological (relaxation, massage techniques) pain relief options, to understand what affects women’s decisions and choices and to inform guidelines, policy, and practice.

Methods

We searched seven electronic databases (MEDLINE, CINAHL, PsycINFO, AMED, EMBASE, Global Index Medicus, AJOL), tracked citations and checked references. We used thematic and meta-ethnographic techniques for analysis purposes, and GRADE-CERQual tool to assess confidence in review findings. We developed review findings for each method. We then re-analysed the review findings thematically to highlight similarities and differences in women’s accounts of different pain relief methods.

Results

From 11,782 hits, we screened full 58 papers. Twenty-four studies provided findings for the synthesis: epidural (n = 12), opioids (n = 3), relaxation (n = 8) and massage (n = 4) – all conducted in upper-middle and high-income countries (HMICs). Re-analysis of the review findings produced five key themes. ‘Desires for pain relief’ illuminates different reasons for using pharmacological or non-pharmacological pain relief. ‘Impact on pain’ describes varying levels of effectiveness of the methods used. ‘Influence and experience of support’ highlights women’s positive or negative experiences of support from professionals and/or birth companions. ‘Influence on focus and capabilities’ illustrates that all pain relief methods can facilitate maternal control, but some found non-pharmacological techniques less effective than anticipated, and others reported complications associated with medication use. Finally, ‘impact on wellbeing and health’ reports that whilst some women were satisfied with their pain relief method, medication was associated with negative self-reprisals, whereas women taught relaxation techniques often continued to use these methods with beneficial outcomes.

Conclusion

Women report mixed experiences of different pain relief methods. Pharmacological methods can reduce pain but have negative side-effects. Non-pharmacological methods may not reduce labour pain but can facilitate bonding with professionals and birth supporters. Women need information on risks and benefits of all available pain relief methods.

Plain english summary

For most women, labour pain is the most severe pain they will ever experience. Women regularly use medications and/or natural methods for labour pain relief. We searched for published studies on women’s views and experiences of epidurals, opioid injections such as pethidine, relaxation and massage techniques. We included 24 good quality studies, all from high and middle-income countries (HMICs). We developed review findings for each method. We then examined differences and similarities in women’s experiences of different pain relief methods. ‘Desires for pain relief’ highlights the different reasons women give for choosing medications or other approaches. ‘Impact on pain’ describes how the techniques either were or were not effective in reducing labour pain. ‘Influence and experience of support’ highlights women’s experiences of positive or negative support from professionals and/or birth companions. ‘Influence on focus and capabilities’ describes that while all pain relief methods could help women feel in control, some found the natural methods to be less effective than anticipated, and others disliked complications they experienced after using medication. ‘Impact on wellbeing and health’ reports that whilst women could be satisfied with their pain relief method, some who used medication felt guilty, whereas women taught relaxation techniques often continued to use these methods with benefits for women/infants. These findings highlight that women have mixed experiences of different pain relief methods, and that they need information on risks and benefits of all available pain relief methods.

Background

For many women, the pain they experience during labour and childbirth will be the most severe form of pain they have ever experienced [1]. Pain is considered to be a unique and individual experience. Accounts vary from pleasurable to unbearable, with both extremes sometimes reported to occur concurrently [2, 3]. Women’s perceptions of pain are affected by physiological (e.g. birth position) and/or psychological issues (e.g. fear, anxiety) [4], and the quality of the woman-provider relationship [2]. Some women cope well with labour pain without any intervention, whereas others require pharmacological and/or non-pharmacological methods for pain relief [5]. Effective pain management has become an essential component of the care plan for childbearing women.

Globally, pharmacological interventions are frequently used during labour and childbirth. Epidural analgesia is regarded to be an effective form of pain relief [5], however, it is not necessarily associated with a positive experience of birth [6]. In addition, this form of pain relief is expensive, can decrease women’s feelings of control, delay second stage of labour and increase the likelihood of further interventions (such as instrumental birth, and caesarean section) [6]. Another commonly applied pharmacological method is opioids, particularly pethidine [7]. This method can help women relax and cope with pain due to strong uterine contractions, but unlike an epidural, enable women to retain mobility. However, unwanted side effects include nausea, sedation and a negative impact on women’s ability to safely breastfeed their infant [8], and multiple doses can lead to the accumulation of metabolites, such as normeperidine, associated with narcotic-induced depression in infants [9].

Non-pharmacological pain relief methods associated with relaxation and massage are referred to as mind-body interventions [5]. Relaxation methods such as yoga, music and breathing techniques, and different forms of massage (e.g. shiatsu, reflexology) are designed to induce calm and to distract/alleviate pain in labouring women. Trials of relaxation techniques during labour have reported less intense pain, increased satisfaction with pain relief and childbirth [5], and lower rates of assisted vaginal birth [10], without any adverse outcomes [5]. However, there was a large variation in how these relaxation techniques were applied [11]. A Cochrane systematic review [5] identified relaxation and massage methods as safe and non-invasive, based on low quality evidence.

In 2016 the World Health Organisation recognised the importance of shaping new antenatal guidelines through finding out what mattered to pregnant women [12]. This work involved quantitative systematic reviews to inform the safety, efficacy and cost of antenatal interventions, together with qualitative evidence syntheses relating to the views and experiences of service users and service providers to inform the values, equity, and acceptability components of each guideline recommendation. A similar mixed evidence approach has been used for the forthcoming WHO intrapartum guidelines for healthy women and infants.

This study was conducted to support guidance on pain relief as part of evidence base preparation for the WHO recommendations on intrapartum care for a positive childbirth experience. A qualitative evidence synthesis that comprised four separate searches into women’s views and experiences of pharmacological (epidural and opioids) and non-pharmacological (relaxation and massage techniques) pain relief methods used during labour and childbirth was undertaken. Here we report the review findings of each pain relief method. Further analysis of the review findings to highlight similarities and differences in women’s experiences of pharmacological or non-pharmacological pain relief methods is also presented.

Methods

This review was informed by four separate searches into women’s experiences of using epidurals, opioids, massage and relaxation. Our methods incorporated a pre-designed search strategy, quality appraisal techniques [13], and an assessment of confidence in the findings using the GRADE-CERQual tool [14]. Data analysis was carried out using thematic [15] and meta-ethnographic techniques [16].

Reflexivity

Quality standards for qualitative research and qualitative evidence syntheses ideally include author reflexivity prior and during the research process [17]. Therefore, the authors considered their views and opinions on methods of pain relief from women’s perspectives. All authors believe in endeavours that support women to have a positive birth experience. While all authors have concerns about rising intervention rates, we consider it important for women to have their individual needs met, whether that is access to pharmacological pain relief, or not. We believe that women’s individualised needs are best served through respectful, meaningful relationships with caregivers who are able to respond and deliver pain relief methods as required.

Search strategy

Searches were developed using a population, exposure and outcome (PEO) strategy (see table one). Search terms related to study type was added if the hits from the initial search exceeded 1000. These terms were designed to identify studies that had a specific qualitative focus or mixed-methods studies that included a substantial qualitative component. We developed search terms following a priori scoping exercises in titles and abstracts, adapted for specific database architecture. Table 1 details all the search terms. We searched MEDLINE, CINAHL, PsycINFO, AMED, EMBASE, Global Index Medicus, and AJOL (for studies conducted in Africa). Additional search strategies included citation tracking and reference checking.

Table 1 Details of PEO search terms used in all four searches

Inclusion/exclusion criteria

No language restriction was imposed. Papers not in English were translated via Google translate where possible. Only papers that reported the views and experiences of healthy women who had experience of using at least one of the four methods of interest were included. Studies published before 1996 were excluded, to ensure the findings reflect current service provision, since epidural analgesia, in particular, was not commonly used before the mid 1990s. We also excluded studies of hypothetical views of pain relief, the views and experiences of partners or healthcare providers, and populations of women with complications.

Study selection

Searches were carried out during June–July 2017. GT screened the initial hits (title and abstracts) against the inclusion criteria. Full texts were blind screened by GT and CF, and inclusion agreed by consensus. Where there was disagreement, a third author (VHM) screened the text, after which final consensus was reached.

Quality assessment

All eligible papers were quality appraised using an instrument developed by Walsh and Downe [17] and modified by Downe, Walsh, Simpson & Steen [13]. The framework was used to assess studies against pre-defined criteria, and then allocate a score from A-D (Table 2). Only studies that scored C- or higher were to be included in the final analysis.

Table 2 Scoring criteria for quality appraisal

Data analysis

Data analysis was carried out in two stages.

Stage one

We used a general thematic approach [15], meta-ethnography [16], and CERQual (Confidence in the Evidence from Reviews of Qualitative Research [14]. All analytical stages were undertaken individually and then together by GT and CF. All decisions were shared and discussed with all members of the review team. Data were logged on excel.

We undertook an initial reading of each paper to identify relevant sections of text reported in quote material, author themes and statements (‘first order constructs’) [15]. These were then grouped into descriptive themes (‘second order constructs’). During this process, we used meta-ethnographic [15] techniques to identify what was similar (‘reciprocal data’) across the included studies, and what contradicted our emerging analysis (‘refutational data’). We reframed the themes as the analysis progressed, to account for both reciprocal and refutational data as we identified it. We then translated the themes into Summary of Findings statements. These were assessed for confidence using the GRADE-CERQual [14] approach, in which the studies that contribute to each summary of findings statement are assessed for methodological limitations, relevance to the review question, coherence in terms of whether clear patterns across the studies could be identified and adequacy with regard to the coverage of the elements of the review finding, and of the geographical area/contexts it related to [14]. Following an assessment of the four criteria, each review finding was graded for confidence on a scale of ‘high’, ‘moderate’, ‘low’, or ‘very low’.

Stage two

The results of the first stage indicated that there were key areas of convergence and divergence in women’s experiences of different pain relief methods. We considered that a comparative focus would enable a deeper understanding of how varying methods of pain relief are experienced, and how those experiences are internalised psychologically over time. During this phase, we used a basic thematic approach [14] to re-analyse all the first-order constructs into key themes that compared and contrasted women’s accounts of different pain relief methods. Analysis was initially undertaken by GT and CF, with all decisions shared and agreed by all authors.

Results

The pharmacological pain relief searches generated 5914 hits (see Fig. 1 for PRISMA). Following screening and quality appraisal 12 studies met inclusion criteria for the epidural review (n = 1507 women). Studies were undertaken in USA (n = 7), UK (n = 2), Denmark (n = 1), New Zealand (n = 1) and Canada (n = 1)). Three studies were included in the opioids review (n = 412 women) undertaken in the UK (n = 1), Australia (n = 1) and South Africa (n = 1). One of the studies contained data relevant to both reviews [18]. One study was unable to be translated [19]. We also excluded three studies that scored a D rating at quality appraisal [20,21,22]. The included studies were of mixed-methods (n = 1), general qualitative (n = 7) or phenomenological (n = 1) designs, and five collected qualitative data through open text questions on a survey.

Fig. 1
figure1

PRISMA Diagram Epidurals and Opioids

The non-pharmacological review generated 5868 hits (see Fig. 2 for PRISMA). Following screening and quality appraisal, four studies were included in the massage review (n = 94 women). Studies were undertaken in Australia (n = 1), Brazil (n = 1), UK (n = 1) and Sweden (n = 1). Eight studies were included in the relaxation review (n = 99 women) undertaken in Australia (n = 2), Brazil (n = 2), Turkey (n = 1), Canada (n = 1) and USA (n = 2). Two contained data that were relevant to both reviews [23, 24]. Two of the studies translated using Google translate were comprehensible in English, and suitable for inclusion [25, 26]. The included studies were of mixed-methods (n = 3), general qualitative (n = 3) or phenomenological (n = 1) designs and the remaining studies collected qualitative data as part of a feasibility study (n = 1) or through open text survey questions (n = 2).

Fig. 2
figure2

PRISMA Diagram Massage and Relaxation

Study characteristics and quality ratings for the four pain relief methods are presented in Table 3. Apart from three studies undertaken in an upper-middle income country (Brazil (n = 2), South Africa (n = 1)) the remaining studies took place in a high-income context.

Table 3 Study characteristics and quality ratings for all included studies

The Summary of Findings and CERQual ratings for each pain relief method from stage one analysis are detailed in Table 4 (full CERQual assessments are available on request). The themes arising from stage two analysis are mapped to these Summary of Findings statements and are discussed in detail in the next section.

Table 4 Review findings and CERQual ratings

Themes arising from stage two analysis

Five themes emerged from stage two analysis. Theme one (‘desires for pain relief’) illuminates different reasons for using pharmacological or non-pharmacological pain relief. Theme two (‘impact on pain’) describes varying levels of effectiveness of the methods used. Theme three (‘influence and experience of support’) highlights women’s positive (pharmacological/non-pharmacological) or negative (pharmacological) experiences of support from professionals and/or birth companions. Theme four (‘influence on focus and capabilities’) illustrates that while all pain relief methods could help women feel in control, some found non-pharmacological techniques less effective than anticipated, and others disliked complications associated with medication use. The final theme (‘impact on wellbeing and health’) reports that whilst some women were satisfied with their pain relief method, medication was associated with feelings of guilt and failure, whereas women taught relaxation techniques often continued to use these methods with beneficial outcomes. These themes are discussed in more detail below.

Desire for pain relief

Some women made the decision to have an epidural analgesia (EA) in labour while they were pregnant [18, 27,28,29,30,31,32]. This decision was based on a woman’s previous positive experience of EA [33], or a negative experience of a medication-free labour:

‘I’m not into pain, I wanted an epidural. I spent most of the time screaming, “I want an epidural; I’m not doing this, I’m going home!” I gave birth completely natural with no medication whatsoever, and I was hysterical. I did not want that. I don’t like pain, and it hurts very bad, and I don’t understand why any woman would want to birth naturally’ (p.30) [28].

Other pre-birth desires for an EA related to the messages received via the media, health professionals (e.g. at antenatal classes) or social network members. Stories of insufferable pain or complications instilled fear, where women felt ‘warned to have [an] epidural’ (p.7) [18]. Whereas positive accounts provided encouragement [28,29,30]:

‘I heard from a woman who had a childbirth earlier than me and had an epidural. A (Japanese) woman who experienced epidural anesthesia told me that it was comfortable and the experience was good. So I was wondering if I should try it for my second baby’ (p.313) [29].

The widespread availability of EA (and associated perceptions of safety) also served to normalise EA as an expected and safe intervention [28, 29, 34, 35]:

‘I think like 75 or 85 percent of women have epidurals now. Ok? It’s pretty common to have epidurals, and they talked a lot about it... That definitely opened my eyes to considering an epidural’ (p.191–192) [35].

Common reasons for a pre-birth desire for EA were fear of pain, a need to remain in control and wanting a pain-free labour [18, 27, 28, 31, 34]:

‘I don’t like pain as any human, and if I can avoid it without harm to my baby I did just that’ (p.328) [27].

For other women their decision to have an EA [27, 29, 32,33,34, 36] or opioids [37] was made during the intrapartum period. These women opted to receive medication at a critical point in their labour when they felt out of control, depleted of energy, and the level of pain was intolerable and unmanageable:

‘…I was just like almost on the floor, like it [the pain] was really bad…you don’t want to overreact, but it is so much pain that you do not know what to do’ (p.473) [33].

The relaxation and massage studies did not generally describe why women sought these methods of pain relief. This was often because participating women used/were taught these methods as part of their involvement in a research study. However, a woman from Klimi et al’s [26] music therapy study offered a different perspective than those who planned to use an EA. She described how music coalesced with her desire for a tranquil, intervention-free birth:

‘I wanted a familiar environment with my own people, music, tranquillity….Let my baby come to life calmly, without medication and, of course, with a normal childbirth’ (p. 300) [26].

Overall, there were similarities and differences in how the different methods of pain relief influenced women in the pre-birth period. For some women, knowing an EA was available helped to alleviate fears and provided a sense of reassurance [18, 33, 34]:

‘A good thing [in New Zealand] is that an epidural is right there as an option. In Japan, Since the place I lived was in the country, there was nowhere and no hospital to do such a thing. I was thinking that I really did not want to give birth in Japan because I was sensitive to pain’ (#9 p.123) [34].

Similarly, women who received antenatal training in massage and/or relaxation methods referred to how knowledge of these pain-relief methods provided a sense of relief [23, 24]:

‘I think for me it was the acupressure, knowing that there was something that could help without drugs or an epidural’ (Mia, p.128) [24].

Training in the use of non-pharmacological techniques enabled women to feel ‘prepared’, ‘calm’ and ‘empowered’ for childbirth [24, 38, 39]:

‘So I found that this workshop [MBCE] gave me a lot more empowerment and a lot more information about alternate courses of action and different scenarios, so I’d be prepared [during labour] (mother 3, p.6) [39].

Some women used the relaxation techniques in the antenatal period to reduce childbirth fears: ‘When I got really worried about the birth, I would just breathe to stop my mind from going all sorts of bad places’ (p.198) [38]. Whereas women who had made a decision for an EA worried about needle placement, ineffectiveness and negative implications [28, 29, 33, 35, 36]:

‘I remember worrying because of what I heard about the use of a big needle, and the risks and complications’ (p27) [36].

Impact on pain

Overall, there were conflicting accounts on the effectiveness of the different pain relief methods in alleviating pain. A number of studies reported that EA [18, 27, 30, 36, 40] and opioids [41] had a positive influence on pain. One study [41] involved interviews with women who had been randomly allocated to three different forms of opioid-based pain relief; intramuscular pethidine, intranasal remifentanil and subcutaneous fentanyl. Some women from each of the different intervention arms expressed how the medication had had a positive impact on pain and/or shortened and reduced the intensity of the contractions. Patient-administered medication enabled women to feel in control over their labour pain [33, 41].

In contrast, others stated that the EA [27, 33, 35, 40] or opioids [18, 37, 41] had been ineffective. Negative accounts of pethidine were reported across all the studies (n = 3) – where women described it as ‘useless’ and how ‘[it] did not work’ (p.6) [18]:

‘When I get the pain then I think to myself I got the injection [pethidine], why am I still getting pain’ (p.87) [37].

Some women in the Fleet et al. [41] study did not find the intranasal fentanyl to be helpful in managing their labour pain, but when women compared intranasal fentanyl with their experience of intramuscular pethidine, they reported that intranasal fentanyl was more effective:

‘I felt really out of it. At the time I wasn’t sure if the intranasal fentanyl was still helping but after using the Pethidine I was more aware that it had been, without causing the high or sedation’ (p.18) [41].

Some of the difficulties associated with pharmacological methods related to women experiencing pain at needle citation [40], breakthrough pain (i.e. where women continue to experience pain or pressure following EA citing) [33], the half-life of the medication [35, 40, 41], and epidurals needing to be placed more than once [35, 40]. Other issues related to delays in receiving the medication, or the medication being provided too late to be effective [33, 40]:

‘I was hoping to get [the epidural] right away, but when they told me 30 minutes, I give up…so I started to scream’ (p. 473 multiparous) [33].

Variations in effectiveness of non-pharmacological methods in reducing labour pain was also noted. Some women who used relaxation and/or massage [23, 25, 26, 38, 39, 42,43,44] techniques reported how these methods helped to make the pain more bearable. Women who received music therapy highlighted how ‘it hurt less’ (p.445) when the music was playing and how their pain increased during the planned 2-h non-music intervals [43]. Massage techniques also helped to reduce the contractions and make them easier to manage and provided women with a ‘lifeline’ to cope:

‘Where the pains overwhelm me and I feel like falling into a void and getting lost, the music was exactly like this: A lifeline that somewhere I was saying, say, something I recognized, gave me strength and I continued ...’ (p.302) [26].

However, a few women in the non-pharmacological studies reported how these methods had been less effective than anticipated [23, 44, 45]: ‘[but toning - extended vocal sounds on a single vowel] did not feel as effective as I’d hoped during labour’ (p.221) [44]. Difficulties related to the intensity of the pain, and subsequent loss of control; ‘No, no control… intense pain, emotionally exhausted; I was not in control at all’ (p.4) [23]. Other criticisms related to the volume of the music (i.e. not loud enough), or music stopping at crucial points [26, 42, 43]. Women in one study [26] also complained of distractions when hearing sounds other than the music, e.g. traffic.

Influence and experience of support

Some of the women who received EA valued the fact that health providers had respected and supported their pain relief choice [28,29,30, 33, 35, 40]; a position considered important to prevent against maternal guilt:

‘Actually the nurse and the doctor came by a few times and because they say I was really suffering, they said “You know if you want it (the epidural) it’s okay”. I thought that that was wonderful. It makes you feel better, ‘cause I think there is often a tendency to make you feel guilty…You are the one, you know, going through the labour’. (p. 474 multiparous) [33].

However, others reported on how healthcare staff had ‘hounded’ or pressured women into having an EA [27, 28, 34, 35, 40], such as through instilling unnecessary fears:

‘But my midwives recommended that I should use epidural by telling me that I had been doing my best and that the baby’s health is the most important although the baby had not shown any problems’ (p.123) [34].

In Morris & Schulman’s [35] study they report how women from an ethnic minority background and low education were more likely to experience ‘pressure’ from clinicians to receive an EA. This was due to being more likely to be induced, and through offering ‘false’ choice: ‘The nurse asking me – did I want to go have a C-section or get the epidural shot?’ (p.193).

Women within the pharmacological and non-pharmacological studies reported how standard, traditional pre-natal classes focused on, or promoted medication [18, 28, 30, 35]. There were also occasions of a lack of consent in the pharmacological studies. A woman who received pethidine in Jantjes et al.’s study [37] stated; ‘the doctor just walked in and said they are going to give me an injection’ (p.87–88). While some women felt well informed about procedures and risks for EA use [29], for others, this information was lacking [28, 32, 34, 36, 40]:

‘My blood pressure dropped. The baby’s heart rate dropped to [the] seventies. I’ve heard a lot about epidurals from television and friends, but I didn’t know that could happen’ (p.29) [36].

Accounts of women feeling pressured or ill-informed were not evident within the non-pharmacological studies. There were, however, variations in how the pain relief methods influenced women-birth supporters’ relationships. Women who used relaxation or massage techniques frequently recounted how these methods had encouraged and enabled connections with their healthcare providers and/or birth companions [24, 25, 38, 39, 42,43,44]:

‘I felt very connected to my partner, the class taught us how to work as a team and be fully present in the moment and that connection got me through delivery and the post-partum period’ (p.198) [38].

Non-pharmacological methods appeared to facilitate teamwork, a ‘bond’, with their birth companions, which in turn induced a sense of security, calmness and being cared for [23,24,25, 38, 42,43,44,45]; ‘It was felt that I was not alone and I felt more relaxed’ (p.12) [25].

Some women using pharmacological pain relief reported positive interactions with caregivers and birth companions following administration of analgesia [32, 36]. More commonly, were accounts of negative women-provider relationships. Some women blamed their choice of pain relief (i.e. EA) on insufficient nursing support [33]. Other women expressed negativity due to: lack of caregiver support for their choice of pain relief [32, 33]; being reliant on staff to administer ongoing pain relief [40, 41]; or how it had alienated them from their care providers [36, 37, 40]. Some expressed that interactions with care providers became more distant after they chose to receive pharmacological pain relief, particularly when there was no continuity of care; ‘The second midwife, she came in when I was totally doped – there was no contact’ (p.101) [32]. These experiences thereby indicate how the use of medication replaced the availability of personal care:

‘I didn’t want to go on anymore as I was alone and there was nobody to support me…..I needed somebody at that time just to hold onto’ (p.87) [37].

Influence on focus and capabilities

Overall there were similar accounts in women’s experiences of the different pain relief methods in how they had enabled them to relax, feel calm, and in control [18, 23,24,25,26, 28, 30,31,32,33, 36, 38, 39, 41,42,43,44]:

[in context of receiving an EA]‘You’re kind of euphoric for a second. All pains are gone. You aren’t tensed up anymore. You are relaxed and feel so much better. You can still feel some pressure of contractions, but you don’t have constant pain going through your entire body’ (p.27) [36].

‘It [mindfulness] provided me with....a sense of calm and a sense of being in control, even though everything around me was out of control’ (p.6, mother 7) [39].

A means to eradicate or manage their pain enabled women to rest and to restore and re-focus their energy [23,24,25,26, 32, 33, 41]; ‘Maybe it [epidural analgesia] was a regain of control – I got new energy’ (p.100) [32]:

‘While I was pushing, once the tone got high and frantic. I could tell that I was tensing and not relaxing. Bringing the tone down low and slowing it down helped me feel relaxed and open again’ (p.220) [44].

A number of the women, irrespective of the pain approach used, considered that their pain relief method had been crucial for them to achieve a vaginal birth [18, 27, 30, 36, 43,44,45]:

I would never have done it [given birth] without the epidural’ (p.6) [18].

‘I could not have done what I did without music’ (p.445) [43].

A key difference between the pharmacological and non-pharmacological methods concerned how they directed women’s attention, focus and capabilities. From a negative perspective, pharmacological methods were reported to have ‘slowed the labour down’ [41]; negatively impacted on women’s ability to push [27, 40, 41] and for women to feel disconnected from the baby and childbirth [32, 41]. For some women, a lack of mobility (following EA citing) induced discomfort, anxiety, fear [33, 36], whereas pethidine led to cognitive distortions [37, 41]:

‘The Pethidine knocked me out, didn’t help with the pain. Made me sleep between contractions but wasn’t a good experience’ (p.18) [41].

Pharmacological pain relief caused side effects such as nausea, numbness, itching, coldness and a decrease in blood pressure [33, 37, 40, 41].

However, when EA was effective, some women described how they were able to focus on the external environment. Once women’s physiological and emotional responses had been stabilised, they could observe what was happening, focus on the baby, and regain participation [28, 31,32,33, 36]:

My body was only concentrated in pain. It was almost like I was not in the present. Once the pain was gone, I was able to concentrate on [the experience], concentrate on my husband, my sister, my nurse, the doctor. I could hear what [they] said, and [understood] what I needed to do. I do not think all those things would have been possible without the epidural.’ (p.28) [36].

While massage techniques could not always be effectively applied, e.g. due to maternal position [23], women who used non-pharmacological methods recounted how the techniques provided a distraction that enabled women to ‘face up to’ (p.40) [45] and ‘release into the pain’ (p.221) [44] and manage their contractions. Their focus turned inwards as they flexibly and actively worked with their bodies through using taught or adapted techniques [23,24,25, 42, 44, 45]:

‘The breathing exercises, the massages, the baths, and then, I did everything, and the positions I adopted… Because if I just stayed lying down, then the pain felt even worse; then when I sat up in that butterfly position or with my two feet together, I could put more effort into it when it contracted, and with my breathing, I could relax, and when I was able to relax, the pain was less. (24 years old p.4) [23].

Impact on wellbeing and health

Many of the women who used pharmacological or non-pharmacological methods expressed positive feelings towards their chosen method. Some women who used pharmacological pain relief reported how their fears had been unfounded [28, 36] and expressed gratitude as EA had enabled them to enjoy their birth experience [27, 30, 31, 33, 36, 40]. For women who received non-pharmacological pain relief, this was expressed as feelings of control, joy and empowerment [23,24,25,26, 38, 39, 42, 44, 45]. However, some women irrespective of which method of pain relief used reported more ambivalent responses, albeit for different reasons. For instance, a few women who used medication reported how their initial disappointment eventually dissipated into acceptance [32, 34, 36, 40]:

‘I originally wanted to give birth without an epidural, but changed my mind about 14 hours after labor began. For a while I felt a little guilt about “giving in” but came to realize that each labor is different and a “woman’s got to do what a woman’s got to do”’ (p.6) [40].

Whereas one woman in Kimber’s [45] study held a more equivocal opinion in that while the method had helped her to manage their pain, she had been unable to continue its use due to labour complications:

‘Very useful as a means of pain relief. Used for the first ten hours with breathing techniques as the sole means of relief. It proved very good and I feel it would have been possible to rely on massage, had I not failed to progress for the entire labour’. (nullipara p.40) [45].

However, unlike the experiences reported in the non-pharmacological studies, a number of women who used medication reported negative self-reprisals, such as feeling guilty and a failure [32,33,34, 37, 41], which for some, as reflected by a Japanese mother, was related to pharmacological methods not being her cultural norm:

‘….I cried because of guilt to the midwife and my husband. I felt like “I am sorry I did not try hard enough” and “I am sorry I failed”’ (p.123) [34].

Some of the women who had used an EA as a method of pain relief referred to ongoing ‘back problems’ [27] and held fears over potential future complications [33]. One woman who had used pethidine also reported how it had affected her postnatal memory recall:

‘Don’t even remember the early period after birth, looked at photos and didn’t remember it happening’ (P.137, p.18) [41].

A stark point of difference between the pain relief methods related to how mothers continued to use the relaxation techniques in the postnatal period, with positive impacts for mothers and infants [26, 38, 39, 42, 43]. Women referred to how they used the techniques to help deal with the demands of new motherhood:

‘I have also used mindfulness to notice when emotions crop up such as feeling overwhelmed, sad, or resentful of my husband as he sleeps and I get up in the wee hours to nurse. Instead of reacting to these emotions I’m able to just note them in a non-judgmental way. From there I can either think through what made me feel that way or bring them up and talk with my husband about them’ (p.198) [38].

Women within the music studies also referred to how music was used as an effective means to settle and soothe their baby [26, 42, 43], and to facilitate breastfeeding:

‘yesterday, she wouldn’t latch on properly, and she was a little, um, finicky, and we put the music on and right away she latched on, she fed, she had a good feeding and then she went to sleep right away. It was great! It was amazing the difference it made to her…’ (p.275) [42].

Discussion

Overall, the findings revealed mixed experiences of the pharmacological (epidurals and opioids) and non-pharmacological (massage, relaxation) methods of pain relief included in the review. In terms of pharmacological pain relief, planned use of these methods in labour was initiated by negative previous experiences of labour pain by some, and by positive previous experiences of using these methods by others. Some did not plan to use these methods when they were pregnant, but did so once in labour. This was sometimes related to the unexpected intensity of labour pains, but it was notable that women using these methods were more likely to recount negative experiences of health provider support. Given the association between labour support and decreased labour pain that is evident in clinical trials, poor caregiver support, in contrast, could be a factor in unanticipated need for pharmacological pain relief. Women in this group were also more likely to report feelings of guilt and failure due to their unexpected need to use medication for labour pain relief. Many of the women who used non-pharmacological methods more likely to express beliefs aligned with a natural physiological approach, and their accounts suggested that they felt prepared for childbirth. In contrast to the women using pharmacological methods, those who used non-pharmacological techniques referred to how these methods encouraged and facilitated positive support from health providers and birth companions. Pharmacological and non-pharmacological pain relief methods had the potential to help women feel in control. However, women reported negative effects of both. Some women who used using relaxation/massage techniques reported them to be less effective than anticipated, but others who had been taught relaxation methods continued their use in the postnatal period, with reported positive effects for themselves, their babies and/or their families. Overall, the findings offer some support to the recent effectiveness systematic review of reviews of methods for labour pain relief [5] in which, while epidurals were the most effective approach to alleviate pain, they were associated with more adverse effects, and lower rates of satisfaction. In the same review, while relaxation/massage techniques were not necessarily effective for pain relief, they were more likely to be associated with other positive outcomes.

The strengths of this study are that a comprehensive and rigorous search strategy was undertaken. We also took care to capture and reflect variations across the studies, such as through including non-English papers. While a qualitative evidence synthesis is an interpretative process, the risk of over or under interpretation of the data was minimized through author reflexivity to ensure that personal beliefs and values did not obscure important data within the included studies, and through rigor in study selection and analysis. There were however limitations. First, the review focused on specific pain relief techniques, and others e.g. acupuncture, sterile water injections were not included. There is no guarantee that we captured all published studies in our search strategy. We found few studies that related to women’s experiences of opioids [18, 37, 41] or massage techniques [23,24,25, 45], and none of the studies were undertaken in low-middle income countries. Furthermore, as only four of the included studies were published in the last five years, this suggests that more contemporary insights should be sought. Some of the relaxation/massage studies also combined different techniques, which made it challenging to differentiate between the approaches. Few studies focused upon women from marginalised populations i.e. low education, teenage parents, ethnic minorities, thereby limiting the generalisability of the findings.

Our findings support those of others that coping with the pain of childbirth is complex and multifaceted [46]. In our review, while all the included studies were from upper-middle/high income countries where the use of pharmacological methods of pain relief is common practice, we identified a wide range of preferences for pain relief. In particular, there was divergence between those who did and who did not plan to use medication in labour. Some women appeared to hold an uncritical acceptance of epidural analgesia, due its widespread use and associated perceptions of safety [27,28,29,30, 32,33,34,35]. Use of pharmacological pain relief was associated with increased control by some [27, 28, 30, 31, 34, 41]. Acceptance of intrapartum interventions that reduce and control the uncertainties and discomfort of childbirth has been described in other studies [31, 47,48,49]. However, as Lally noted [31], in this review, many of those who preferred not to use pharmacological pain relief ended up with it anyway, and this group of women were particularly likely to express feelings of guilt and failure. Women’s attitudes towards technical solutions for pain relief are inevitably influenced by cultural norms that value technological progress, and that present particular solutions as mainstream and freely available.

Where the methods used fitted with the a priori frame of reference of the woman, or where they accepted that the uncertainties of labour were the basis for using methods they might not have chosen, women seemed to find whatever method(s) they used effective in enabling them to relax and regain a sense of control over the birth. However, there were notable differences between the pain relief approaches related to how they directed women’s attention and focus. Pharmacological methods, particularly when effective, enabled women to focus on the external environment to converse with others and observe their labour progress objectively [28, 31,32,33, 36]. In contrast, non-pharmacological methods were associated with an internal focus, in which the women seemed to be more actively engaged with and responsive to their body as it experienced the dynamic physiological responses of labour over time [23, 24, 42, 44, 45]. As Leap et al. have noted, this is the difference between ‘pain relief’, and ‘working with pain’ [50].

A key finding from our review was how the need for/availability of social support differed for women using medication and those who used other methods. Specifically, our findings extend those by Jones et al. [5] in that the efficacy and satisfaction of the chosen methods related to the quality of the mother-midwife relationship. In our review, women reported mixed feelings regarding their caregivers in relation to their decision to have an epidural and/or opioids. Some women who received medication felt supported in their choice [28,29,30, 33, 35, 40]. However, more commonly there were complaints of women feeling pressured to receive medication, lack of consent/information on risks, tension due to opposing women-provider views of medication use, or women being left unattended after medication administration [27, 28, 32, 34,35,36,37, 40]. Relaxation and massage techniques, on the other hand, facilitated meaningful and connected women-provider relationships [24, 38, 39, 42,43,44]. This approach aligns with a midwifery philosophy of continuous, woman-centred care [51] to facilitate the biopsychosocial physiology of childbirth [12]; with maternity professionals who use complementary therapy approaches referring to how they promoted confidence and pride in their profession [24, 52, 53]. As relational care, and in particular, continuous care during labour is associated with positive outcomes (increased vaginal births, fewer interventions, fewer pharmacological pain relief) and increased levels of women’s satisfaction [54, 55], it should be provided irrespective of the type of pain relief method used. Efforts to promote labour support may help to improve women’s coping skills [46, 56, 57], and helping women to avoid medication if this is their preference could also result in clinical benefits for the mother and/or baby [26, 39, 42, 43]. While further research is needed, the insights suggest that non-pharmacological methods, even in combination with pharmacological methods, could be beneficial for women and providers.

Survey data from low income settings indicate that women’s access to and knowledge of pharmacological pain relief is low [58,59,60]. Where women do know about these options, similar variation in values and beliefs are evident as in the current review. Some women believe in the need for effective pain relief [58, 61], and others placed intrinsic value on the experience of ‘natural’ childbirth [59, 60]. Our findings from high and middle income settings, and those for low income settings from survey data, support the observation that choices for pain relief are influenced by cultural [62] and personal factors [63] as to how childbirth is perceived. Women may be more likely to opt for medication if they view childbirth as a medical condition with risks, whereas those who view it as a normal, natural event may be more likely to use natural, or non-pharmacological approaches [63]. A more recent innovation designed to address the shortcomings of numerical pain rating scales, that recognises the complexity and multifaceted nature of pain management, and to offer support aligned with women’s needs during childbirth is the Coping with Labor Algorithm [64, 65]. The tool involves asking women how they feel they are coping, with detailed cues (psychological, behavioural, physiological) used by maternity professionals to elicit whether the women is coping well (or not coping) with labour. Depending on these assessments, continued support (if coping well) or specific interventions (if not coping well) are offered that include different pain relief methods, changes to the physical environment and additional emotional support (Roberts et al., 2010). Maternity care professionals’ evaluations of the tool have been very positive e.g. in enhancing respectful, woman-centred care [64, 66], although further work to test its efficacy on women’s experiences is needed.

Conclusion

Women have mixed experiences of different pharmacological and non-pharmacological pain relief methods. Women varied in their opinion as to whether the different pain relief methods were effective in reducing their labour pain. The different pain relief approaches could enable women to relax and feel in control. However, women who used medication were more likely to experience negative side effects, negative encounters with healthcare providers, and a sense of guilt and/or failure. While non-pharmacological methods did not necessarily reduce labour pain or facilitate a vaginal birth, they could enable women to actively work with their physiological responses and facilitate a ‘team’ approach with their birth supporters. Continued use of relaxation methods in the post-natal period by some women also provided benefits for them, their babies, and their families, suggesting that learning these techniques provided the basis for self-help in the longer term. The findings highlight the need for women to receive complete information on the risks as well as the benefits of the range of methods that will be available to them in labour. They also highlight a need to promote and provide as many approaches as possible, so that women have access to methods that meet with their prior values and beliefs, as well as to those that they may need if their experiences differ from their expectations. The value of social support in labour should be recognised by funders and providers, and prioritised in service provision and staffing, as this was seen as valuable by women from both groups.

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Acknowledgements

The authors are grateful to the steering group for the WHO recommendations on intrapartum care for a positive childbirth experience for their contributions to the development of the research objectives.

Funding

This work was commissioned to the University of Central Lancashire, UK by the UNDP/UNFPA/UNICEF/WHO/World Bank Special Programme of Research, Development and Research Training in Human Reproduction (HRP), Department of Reproductive Health and Research, World Health Organization, Switzerland as part of the evidence base preparation for the WHO recommendations on intrapartum care. The development of the WHO recommendations on intrapartum care was financially supported by USAID. OTO is a paid staff member of the Department of Reproductive Health and Research, World Health Organization. GT and VHM are members of Research in Childbirth and Health (ReaCH) group, University of Central Lancashire, UK. CF is a PhD Student within the same department. The manuscript represents the views of the named authors only.

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All data generated or analysed during this study are included in this published article.

Author information

OTO and SD conceived the study. GT and VHM developed the review protocol, and OTO and SD reviewed and provided comments. GT carried out the search, contributed to the study selection, quality appraisal, data analysis, interpretation and co-drafted the first draft of the manuscript with CF. CF also contributed to the study selection, quality appraisal, data analysis, and interpretation. VHM contributed to study selection and drafting of the manuscript. OTO and SD revised the draft of the manuscript for intellectual content. All authors reviewed and approved the final manuscript.

Correspondence to Gill Thomson.

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Keywords

  • CERQual
  • Childbirth
  • Epidural
  • Labour
  • Massage
  • Opiates
  • Opioids
  • Pain relief
  • Qualitative
  • Relaxation