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Table 3 Sampling from Cohort 2 (unselected pregnant women) and Cohorts 3 & 4 (women at time-of-disease) and their infants

From: The PRECISE (PREgnancy Care Integrating translational Science, Everywhere) Network’s first protocol: deep phenotyping in three sub-Saharan African countries

Samples

Booking

Antenatal

Intra-partum

Immediately postpartum

Within 48 h postpartum

6 weeks postpartum

Total Collections

Blood

16 mL

16 mL

  

16 mL

16 mL

4

Urine

20 mL

20 mL

  

20 mL

20 mL

4

Vaginal swabs

4 swabs

 

4 swabs

   

2

Cord blood

   

16 mL

  

1

Placental tissue

   

14 small pieces of tissue, membrane and cord

  

1

Newborn blood

    

2–3 drops from heel stick ONLY if cord blood is not collected

 

1

Neonatal stool

     

Approximately 100 mg

1a

  1. aCohorts 2 and 3 in Kenya only