Utilization of non-pneumatic anti-shock garment and associated factors for postpartum hemorrhage management among health care professionals’ in public hospitals of Jimma zone, south-West Ethiopia, 2019
Reproductive Health volume 17, Article number: 37 (2020)
Non- pneumatic anti-shock garment is a unique, life -saving first -aid device made of neoprene and velcro, which is used for treatment of women with postpartum hemorrhage. Maternal mortality in the world still very high and postpartum hemorrhage is the leading cause of maternal mortality worldwide.
This study was aimed to assess the utilization of non-pneumatic anti-shock garment and associated factors for postpartum hemorrhage management.
Facility based cross-sectional studies design both quantitative and qualitative data collection methods were employed among 210 health care professionals and 10 key informants respectively. Bivariable and multivariable logistic regression was done to identify factors associated with non-pneumatic anti-shock garment utilization. Qualitative data was transcribed, translated and triangulated with quantitative findings.
Seventy six (36.2%) of the respondents used non-pneumatic anti-shock garment in their hospitals for management of post-partum hemorrhage. Having good knowledge [(AOR = 3.96, 95% CI: (1.67, 9.407)], having positive attitude [(AOR = 3.54, 95% CI: (1.37, 9.13)], attending training [AOR = 13.156, 95% CI: (4.81, 36.00], having two and above non-pneumatic anti-shock garment at their hospitals [AOR = 8.7, 95% CI: (2.89, 26.20)] were significantly associated with utilization of non-pneumatic anti-shock garment. … “I didn’t use non-pneumatic anti-shock garment for the management of postpartum hemorrhage complication before because I have no training and experience how to use it.”
The utilization of non-pneumatic anti-shock garment for the management of postpartum hemorrhage was low. Having positive attitude, having good knowledge and training on non-pneumatic anti-shock garment were statically associated with its use. The health care professionals that involved in the maternity service should be trained on how to use this important garment in the management of postpartum hemorrhage.
Plain English summary
The leading cause of maternal mortality (deaths from pregnancy and childbirth related complications) is obstetric hemorrhage in which a woman bleeds heavily, most often immediately after giving birth. A woman somewhere in the world dies every 4 min from this kind of complication.
The Non-pneumatic Anti-shock Garment is a first-aid device used to stabilize women who are suffering from obstetric hemorrhage and shock. It is a simple device helps women survive delays in getting to a hospital and getting the treatment that they need. It can be applied by anyone after a short, simple training.
Respondents were asked on utilization of Non-pneumatic Anti-shock Garment for Postpartum Hemorrhage Management. Knowledge and attitude of care providers was assessed quantitatively and additional information was collected from key informants qualitatively to explore factors in detail.
Of 210 Seventy six (36.2%) used NASG for postpartum hemorrhage management while 63.8% never applied it for postpartum hemorrhage complication management. The reasons stated by respondents those did not use non-pneumatic anti-shock garment, (35.4%) were due to lack of experience and (23.8%) due to lack of awareness about availability of the instruments.
Periodic training for health professionals on the use of non-pneumonic anti-shock garment for management of obstetric hemorrhage is important.
Non- pneumatic Anti-Shock Garment (NASG) is a unique, life -saving first -aid device made of neoprene and velcro, which is used for women with obstetric hemorrhage. It can be applied by anyone, even those without medical training. Non-pneumatic anti-shock garment has a unique role in hemorrhage and shock management because it is meant to be used with, other technologies. Currently, it is the only tool first aids in stabilizing pulse and blood pressure after a woman has gone into shock from obstetric hemorrhage. Non-pneumatic anti-shock garment can reverse shock and can be used at the same time with other hemorrhage and shock treatments, such as: uterine massage, uterotonics, blood transfusions, vaginal procedures and surgery, uterine balloon tamponed [1, 2]. Non-pneumatic anti-shock garment was developed in 1970s by the United States (US) National Aeronautics and Space Administration (NASA)/ Ames .
International Confederation of Midwives (ICM) and the International Federation of Gynecology and Obstetrics (FIGO) recommended the non-pneumatic anti-shock garments as it reduce mortality .
The non-pneumatic anti-shock garments like bottom half suit and consists of three pairs the first of segments, the first segments are placed around the patient’s legs and the second three segments are placed around her pelvis and abdomen during the application for postpartum hemorrhage. A ball in segment 5 is placed over the woman’s umbilicus (belly button, navel), adding more pressure. Non-pneumatic anti-shock garment is to be worn until the patient’s vital sign have stabilized for 2 h or more, include blood loss < 50 ml/hr., pulse < 100 bpm and systolic blood pressure > 100 mmhg. Removing of NASG begins from lowest segments and proceeds upward by allowing 15 min between removals each segment for redistribution of blood. But if her hemodynamic status has not become unstable use the “Rule of 20”, that means her pulse has not increased by more than 20 bpm and her systolic blood pressure has not decreased by more than 20 mmHg. If pulse and blood pressure remain stable, open the next segment pair [5, 6].
Non-pneumatic anti-shock garment introduced in Ethiopia by Clinton Health Access Initiative (CHAI) as a pilot project to prevent postpartum hemorrhage in Oromia and Tigray regions .
Using non-pneumatic anti-shock garment can reduce the time to recovery from shock, decrease blood loss to external, increases both external and internal abdominal pressure .
“Maternal mortality is the death of a woman during pregnant or within 42 days of termination of pregnancy, irrespective of the duration and site of the pregnancy, from any cause related to or provoked by the pregnancy but not from accidental or incidental causes” . The death of a woman in childbirth or from pregnancy-related events is a devastating experience for the woman’s family, her partner and her surviving children and is also devastating for all involved in her care .
The maternal mortality ratio in developing countries in 2015 is 239 per 100,000 live births versus 12 per 100,000 live births in developed countries . Maternal mortality rate in Africa is the highest, and it is estimated at 500 deaths per 100, 000 live births. Fifty six percent (56%) occur in sub-Saharan Africa a region that accounts for only 21% of the world population . In Ethiopia, maternal mortality still high. According to the World Bank report of 2018 the Ethiopian maternal mortality was 353 per 100, 0000 live birth .
Postpartum hemorrhage is one of the leading causes of maternal mortality and morbidity, accounted for approximately 27% of global maternal deaths, is defined as vaginal bleeding more than 500 ml after vaginal delivery, blood loss of more than 1000 ml after cesarean delivery and more than 1500 ml after cesarean hysterectomy .
In 2014 globally over 661,000(27.1%) maternal death was occurred due obstetric hemorrhage. More than two thirds of reported hemorrhage deaths were classified as postpartum hemorrhage. About 19.7% was occurred in developing countries. Eastern Asia accounted about 26.1% and in Sub-Saharan Africa around 200,000 maternal deaths was caused by postpartum hemorrhage .
According to the study conducted in Jimma University specialized hospital on the trend of maternal death from 2010 to 2014 most of maternal deaths occurred because of direct obstetric causes. Hemorrhage was the leading cause of death accounted about 54% in every year of the study, and it is the cause for more than half this death was occurred due to postpartum hemorrhage especially between 4 and 7 days of postpartum .
In addition to its direct cause of maternal of death, postpartum hemorrhage has also short and long term impacts like chronic illness, disability, increasing of death, poor growth and development of their children, hepatic dysfunction .
A woman suffering from hypovelimic shock secondary to postpartum hemorrhage can die within 2 h except she receives immediate blood transfusion and appropriate emergency obstetric care .
Non-pneumatic anti-shock garment is one of the first management tools for hypovolemic shock secondary to obstetric hemorrhage that is helpful in resuscitating and sustaining women in severe obstetric hemorrhagic shock. There was neither mortality nor clinically significant morbidity in this reappraisal so with out of this advice maternal mortality and morbidity very high .
The study conducted on the non-pneumatic anti-shock garment at Global Health study showed that with help of the non-pneumatic anti-shock garment for postpartum hemorrhage management blood loss decreased by 42–55%, vital signs and restoration of circulatory stabilized rapidly, maternal mortality was reduced by 66%, morbidity decreased by 44–66% and there were 32–73% lower extreme adverse outcomes (EAOs) . At referral, tertiary-level facilities using non-pneumatic anti-shock garment for the management of postpartum hemorrhage reduce maternal mortality by 48% .
Study done in Ibadan Nigeria in 2014 utilization of non-pneumatic anti-shock garment for the management of post-partum hemorrhage was low, which was only 14.5% .
Low utilization of non-pneumatic anti-shock garment in Bayelsa State in which 46.4% of Midwives used for the management of postpartum hemorrhage this indicated low utilization of non-pneumatic anti-shock garment among respondents despite the efficacy of non-pneumatic anti-shock garment in reducing maternal morbidity and mortality related postpartum hemorrhage-related complication .
However, regardless of effective and many benefits associated with the use of Non-Pneumatic Anti shock garment in the management of postpartum hemorrhage its utilization is still very low. Even in Ethiopia still there is no any study showed utilization of non-pneumatic anti-shock garment for the management of postpartum hemorrhage by health care professionals. This study was therefore designed to assess health care professional utilization of non-pneumatic anti-shock garment and associated factors for the management of postpartum hemorrhage in Public hospitals of Jimma Zone South West Ethiopia.
Methods and material
Study area and the study period
The study was conducted in Jimma zone public hospitals, Oromia regional state south-West Ethiopia. Jimma zone far 350 Km from Addis Abbaba. The Jimma zone has a total area of 119,316 Square kilo meters. It has 21 woreda and 1 town administration with a total of 555 kebeles of which 515 of them are rural and 30 are urban. The population projection of 2014/15 of the zone is 3,090,112 with total reproductive age groups of 616,380.
In this zone there were seven public hospitals: Jimma medical center, Shanan Gibe hospital, Agaro Hospital, Limmu Hospital, Seka Hospital, Omo Nada Hospital and Satama Hospital. The study was conducted from April 01 to, 202,019.
Facility based cross-sectional study design both quantitative and qualitative methods were employed.
Source and study population
All health care professionals’ who were working in Jimma Zone public Hospitals were source of population. And all health care professionals who were working in Jimma Zone public Hospitals and fulfilled the selection criteria.
The study included a total of 210 included by census sampling technique in quantitative study. An in-depth interview was conducted on 10 key informants in qualitative. These health care professionals were chosen purposively based on their involvement in the use of NASG and Head of maternity ward. Participants who participated in in-depth interview were not involved in quantitative study.
Operational definitions and definitions of terms
Utilization of non-pneumatic anti-shock garment (NAG)
The respondents score of total knowledge questions those who below 50% were graded as having poor knowledge while those 50.0% and above were graded as having good knowledge .
Attitude scale: The attitude was considered “Positive” if the percentage score was 50% and above more and “Negative” if less than 50%.
Measurements and data collection procedure
Aself-administered semi- structured questionnaire was used to collect data from study participants. The instrument was adapted and developed from different literatures [22,23,24, 26, 27]. It was prepered in English version and the questionnaire contains four parts which include socio demographic status eight questions, knowledge of Non-pneumatic anti-shock garment eight questions, attitude of health care professional regarding Non- pneumatic anti-shock garment eight questions and the responses consist five likert scales which were strongly agree, agree,neutral, disagree and strongly disagree and the fourth part was organizational (hospitals) related questions. The attitude statetment five likert scale for analysis was become three likert scale. Strongly agree and agree became agree and disagree and strongly disagree became disagree and neutral. Before the actual data collection, the questionnaire was pre-tested on 10% of health care professionals in Metu Karl Hospitals and appropriate corrections were made such as logical order of some questions, some words difficult to understand were revised. The overall standardized cronbach’s alpha for internal consistent or the reliability score of measurement was 0.86.
In-depth interview was carried out by the principal investigator and note taker on who agreed to be interviewed.
Following the data collection, data were coded, and entered to a computer using Epidata version 3.1 and then exported to SPSS version 23.0 for analysis. Descriptive statistics and binary logistic regressions analysis were performed. In the binary logistic regression, both binary and multivariable analyses were carried out. All the variables were entered into bivariate analysis and those independent variables with a p- value < 0.25 in crude analysis was considered as a candidate for multivariable analysis and those variables with a p value < 0.05 in multivariable analysis were considered as statically significant of non-pneumatic anti-shock garment utilization. Multi-collinearity was checked to see the linear correlation among the independent variables by using the variance inflation factor and standard error. None of the variables yield inflation factor > 10 and standard error > 2 (VIF < 4.66 and Std. E < .137) and they were not dropped from multivariable analyses. Hosmer and Lemeshow’s test was found to be insignificant (p-value =0.158) and Omnibus test was significant (p-value = 0.000) which indicate that the model was fitted. Finally, the result of the analysis was presented in texts, tables and graphs as appropriate. For qualitative study, first for each individual tape recorded was transcribed and after reading again and again then data was translated. Then data were coded by number for each translated after data were coded similar numbers pooled together and the theme was developed. Finally presented in narratives & used to support the quantitative findings.
Before data collection, ethical clearance was obtained from the institutional review board of Jimma University, Institute of health and submitted to each hospital. Permission was obtained from each hospital prior to data collection. The written consent was obtained from each participant that participation was voluntary and they have the right to withdraw at any time from the study. The informed consent was comprised the study purpose and procedures, potential risks and benefits, voluntary participation and right of withdrawal, the information provided by each respondent was kept strictly confidential.
Socio demographic characteristics
A total of 220 questionnaires were distributed to the participants but only 210 were replied; the rest 10 did not fill the questionnaire correctly and excluded from the analysis with response rate of 95.5%.
The mean age of the respondents was 28.36 years. Half of participants 106 (50.5%) were in the age group of 25–29. Among the respondents, 121 (57.6%) were male. Nearly (51.9%) of respondents were married. Majority of them were Oromo by ethnicity (70.0%). Eighty six (41.0%) were Muslim by religion. Professionally 145 (69.0%) were Midwives. One hundred forty eight (70.5%) had 1–5 years of work experiences (Table 1).
Respondents’ knowledge of non-pneumatic anti-shock garment
This study indicated that, majority (80.0%) of respondents had heard about non-pneumatic anti-shock garment while 42 (20.0%) never heard before. Ninety one of the respondents heard from hospital (54.2. %). Ninety eight (58.3%) of the respondents said that non-pneumatic anti-shock looks like trousers and 55 (32.7%) said bottom half of suit. Ninety seven (57.7%) of the respondents correctly mentioned that non-pneumatic anti-shock garment has six parts. Regarding the function of Non-pneumatic anti-shock garment, 21.0% mentioned that non-pneumatic anti-shock garment increases blood flow to vital organs. Concerning the criteria for the application of non-pneumatic anti-shock garment for women with postpartum hemorrhage about 98 (36.8%) said NASG applied when blood loss was greater than 750 ml, (Table 2).
About 59.5% respondents’ had good knowledge towards non-pneumatic anti-shock garment.
Attitudes of health care professionals towards utilization of non-pneumatic anti shock garment
Regarding to the attitudes of the respondents towards utilization of NASG for the management of postpartum hemorrhage, about one hundred forty seven (70%) of the respondents agreed that NASG is necessary for the management of postpartum hemorrhage in all settings and 5.7% disagree. One hundred forty two (67.6%) respondents agreed that NASG can used along with standard treatment protocols of postpartum hemorrhage management and 9 (4.3%) disagreed. Concerning the time required to apply NASG (Table 3).
Regarding the attitudes of respondents towards non-pneumatic anti-shock garment utilization more than half of (53.58%) had positive attitudes.
Distribution of health care professionals by their organization (hospitals)
Regarding the organizational factors, 87 (41.4%%) respondents were working at general hospitals, 126 (60%) of the respondents said that their hospitals have two and above number of non-pneumatic anti-shock garment. About 59 (28.1%) respondents have training on non-pneumatic anti-shock garment utilization (Table 4).
Utilization of non-pneumatic anti-shock garment
Concerning the utilization of non-pneumatic anti-shock garment by health professionals, seventy six (36.2%) used NASG for postpartum hemorrhage management while 63.8% never applied it for postpartum hemorrhage complication management. The reasons stated by respondents those did not use non-pneumatic anti-shock garment, (35.4%) were due to lack of experience and (23.8%) due to lack of awareness about availability of the instruments (Table 5).
Factors associated with utilization of non-pneumatic anti-shock garment
The bivariate analysis result revealed that types of professions, educational status, knowledge of respondents, attitude of respondents, training on NASG, types of hospitals, number of NASG and place where placed after use were significantly associated utilization of NASG.
All the significant independent variables in a bivariate analysis were entered together in a multivariable logistic regression using backward method to determine final predictors of utilization of non-pneumatic anti-shock garment controlling for potential confounders. Accordingly; knowledge level, attitude, having training on NASG, number of NASGs hospitals have were independent predictors of utilization of non-pneumatic anti-shock garments. In this study health care professionals who had a good knowledge about NASG were 3.957 times more likely to use the NASG as compared to health professionals who had poor knowledge about NASG[AOR = 3.957, 95% CI:(1.67, 9.407, p = 0.002)].
This finding was supported by qualitative finding.
A health care provider working at labor ward explained NASG as; I have used NASG for the management of postpartum hemorrhage many times. NASG is not a drug but it is cloth used for postpartum hemorrhage management. It stabilizes woman in shock, increase blood flow to vital organ and decrease blood loss. It is not simple removed after applied. To remove it there is a rule called rule of 20 after measuring the vital sign blood pressure and pulse in normal range at least for 2 hours then each segment should be removed every 15 min starting from segment one to six. If the vital sign changes by 20 in between removing means pulse increased by 20 bpm and BP decreased by 20 mmhg, the NASG should be reapplied.
Regarding the attitudes of health care professionals those who had positive attitude toward the NASG utilization were 3.54 times more likely to use NASG than those who had negative attitude towards NASG utilization for postpartum hemorrhage management [(AOR = 3.54, 95% CI:(1. 37, 9.13, p = 0.009)].
…. Staff working at labor said that “I have the knowledge of the non-pneumatic anti-shock garment as it used for postpartum hemorrhage to reverse shock and stabilize the women condition but I didn’t use it because I preferred other methods like normal saline, warm cloth and blood transfusion for woman with postpartum haemrrahge.”
Concerned with status of training by health care professionals on NASG use, those health professionals who received training on the use of NASG were 13.156 times more likely use NASG as compared with who didn’t received training on NASG use (AOR: 13.156, 95% CI:(4.89, 36.00, p = 0.0001)]. This is supported by qualitative finding. For instance:
… A 25 years old health professional said that “I didn’t use NASG for the management of postpartum hemorrhage complication before because I have no training and experience how to use it. If I receive training I use it without any difficult because I have seen the health professionals who were trained can apply and remove easily.”
Relating to NASG, those health care professional whose hospitals had two and above NASGs, were 8.7 times more likely to use NASGs as compared with those health professionals’ hospital had only one NASG for postpartum hemorrhage management of complication (AOR: 8.70, 95% CI: (2.89, 26.20, p = 0.0001)] (Table 6).
This finding was supported by qualitative finding. For instance:
…. A 32 year head of maternity ward said that, previous we have three non-pneumatic anti-shock garments that our staffs applied for the mothers who have postpartum hemorrhage. But now there is only one NASG at our hospital and the others were referred mother to referral hospital by NASG that they never gave back for us and left there. Currently we rarely used NAG because when NASG we have applied for the mother and other presented with similar case we never applied it because we have only one and also before the NASG is cleaned we never use it that mother presented without NASG.
Non-pneumatic anti-shock garment (NASG) can prevent the postpartum hemorrhage complication by decreasing blood flow to the lower extremities and increasing blood flow to vital organs like brain, heart, and lung.
Based on this finding 36.2% of the respondents utilized the non-pneumatic anti-shock garment on the client for the management of postpartum hemorrhage. This finding was almost similar finding in Ibadan Nigeria and Sokoto State Specialist Hospital (35%) in both study areas [24, 26]. How every it was higher when compared with study done in Ondo state Nigeria that 14.1% of respondents’ utilized non-pneumatic anti-shock garment for postpartum hemorrhage management . The difference may be due sample size difference, sampling technique used. On the contrary it was lower compared to finding in Bayelsa State Nigeria and Benin Central Hospital that 46.4 and 42% of the respondents used non-pneumatic anti-shock garment for postpartum hemorrhage management respectively [23, 25]. The slight difference in utilization might be due to difference between study participants in which only Midwives participated in case of study conducted in both study areas and also may be due to variation in sampling technique used.
This study also revealed that knowledge, attitude, non-pneumatic anti-shock garment number, training status of the respondents and their utilization of NASG had significant association with P-value < 0.05.
Good utilization of non-pneumatic anti-shock garment was seen among health care professionals who had good knowledge about NASG. Those who have good knowledge utilize non-pneumatic anti-shock garment about four times more likely as compared to having poor knowledge. This implies that good knowledge exerts a positive effect on the extent of health care professionals’ utilization of NASG. This is supported by the study conducted in Ondo State and Benin Central Hospital, that there was association between respondents’ knowledge and their utilization of non-pneumatic anti-shock garment [25, 27]. This may be due to the fact that good knowledge improves the confidence and readiness of the health care professionals’ to utilize NASG for postpartum hemorrhage management and increase their ability to use it appropriately. However it was differ from Bayelsa State Nigeria that there was no significant association between respondents’ knowledge and their utilization of non-pneumatic anti-shock garment . The discrepancy may be due the difference of sample size, this study included different types of health care professionals.
Another independent factor showed that there was more utilization of NASG for postpartum haemorrhage management among health care professionals who had positive attitude. This implies that a positive attitude regarding NASG exerts a positive effect on the extent of health care professionals’ NASG utilization practice. Health care professionals’ have positive attitude there is a big tendency to utilize properly. It is different from the study finding in Bayelsa State Nigeria that there is no association between respondents’ attitude and non-pneumatic anti-shock garment utilization . This difference may be due to difference in variable categorization, variation in setting from place to place, may be due sampling technique used for sample selection (SRS) and may also due variation in the population participated in the study.
This study showed that good utilization of non-pneumatic anti-shock garment was seen among health care professionals who took training on non-pneumatic anti-shock garment as compared to those who have no training. Those health professionals who trained on non-pneumatic anti-shock were about thirteen times more likely used than those who had no training. This may be due to the fact that attending training can help health care professionals to get more knowledge on how to apply, remove non-pneumatic anti-shock garment and this can improve their utilization of non-pneumatic anti-shock garment.
In this study non-pneumatic anti-shock garment number was other factor that statically associated with utilization of non-pneumatic anti shock garment by health care professionals. Hospitals having two and above non-pneumatic anti-shock garment were around nine times more likely used than those who have one.
Health care professionals play a vital role in the reduction of maternal mortality and morbidity in all health facilities. Postpartum hemorrhage is one of the leading causes of maternal mortality especially in the developing countries. It is therefore, important that health care providers are always abreast with current techniques and equipment used in preventing and management of postpartum hemorrhage. This study showed low utilization of non-pneumatic anti shock garment among the health care providers, and this important concept included in maternal health program and policy planners.
Strength and limitations
The study involved both quantitative and qualitative methods of data collections to maximize the reliability of the data collected. The questionnaire was prone to social desirability bias; hence it assesses self-reported regarding utilization of NASG, there might be over-reporting of a behavior. Recall bias was there because the majority of the health care professionals were asked about their past utilization of NASG. In addition to these, the lack study in Ethiopia and adequate studies did out of Ethiopia on this topic make comparison and discussion difficult.
Conclusion and recommendation
This study showed that of the respondents’ utilized non-pneumatic anti shock garment for the management of post-partum hemorrhage low. The study also identified factors associated utilization of non-pneumatic anti-shock garment. The independent factors associated with utilization of non-pneumatic anti-shock garment were having good knowledge of health professional; attend training on non-pneumatic anti-shock garment, positive attitudes towards non-pneumatic anti-shock garment utilization and more number of non-pneumatic anti-shock garments available. Periodic training for health professionals on the use of non-pneumonic anti-shock garment for management of obstetric hemorrhage is useful.
Availability of data and materials
The spreadsheet data supporting the findings of this work is available at the hands of the corresponding authors.
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We would like to thank Jimma Public Hospitals of Jimma zone for all the help and support given for us during the data collection period. We also thank Jimma University institute of health for permitting us to conduct this study.
Ethics approval and consent to particpate
All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the declaration and its later amendments or comparable ethical standards. Before the commencement of the study, ethical approval was secured from the Jimma Ethical Review Board. Written informed consent was obtained from all individual participants included in the study.
Jimma University covered only the survey cost for this study and there is no any funding organization.
Consent for publication
The purpose of the study was explained to the study participants at the time of data collection and verbal consent was secured from each participant before the start of data collection. Confidentiality was ensured by not including names or other identifiers in the data collection tool. The right of the participants to refuse participation or not to answer any of the questions was respected.
All authors declared that they have no conflict of interests.
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Bekele, G., Terefe, G., Sinaga, M. et al. Utilization of non-pneumatic anti-shock garment and associated factors for postpartum hemorrhage management among health care professionals’ in public hospitals of Jimma zone, south-West Ethiopia, 2019. Reprod Health 17, 37 (2020). https://doi.org/10.1186/s12978-020-0891-6