1 Severe primary postpartum haemorrhage (PPH) at time of birth (clinically estimated or measured blood loss ≥ 1000 mL) |
3 |
4636 |
Risk Ratio (M‐H, Random, 95% CI) |
0.34 [0.14, 0.87] |
1.1 Higher‐income setting |
3 |
4636 |
Risk Ratio (M‐H, Random, 95% CI) |
0.34 [0.14, 0.87] |
1.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
2 Very severe primary PPH at time of birth (clinically estimated or measured blood loss ≥ 2500 mL) |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
2.1 Higher‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
2.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
3 Maternal mortality |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
3.1 Higher‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
3.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
4 Maternal Hb < 9 g/dL 24‐72 hours postpartum |
2 |
1572 |
Risk Ratio (M‐H, Random, 95% CI) |
0.50 [0.30, 0.83] |
4.1 Higher‐income setting |
2 |
1572 |
Risk Ratio (M‐H, Random, 95% CI) |
0.50 [0.30, 0.83] |
4.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
5 Admission to neonatal special/intensive care |
2 |
3207 |
Risk Ratio (M‐H, Random, 95% CI) |
0.81 [0.60, 1.11] |
5.1 Higher‐income setting |
2 |
3207 |
Risk Ratio (M‐H, Random, 95% CI) |
0.81 [0.60, 1.11] |
5.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
6 Neonatal jaundice requiring phototherapy or exchange transfusion |
2 |
3142 |
Risk Ratio (M‐H, Random, 95% CI) |
0.96 [0.55, 1.68] |
6.1 Higher‐income setting |
2 |
3142 |
Risk Ratio (M‐H, Random, 95% CI) |
0.96 [0.55, 1.68] |
6.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
7 Neonatal polycythaemia treated with dilutional exchange transfusion |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
7.1 Higher‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
7.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
8 Severe primary PPH after placental delivery and up to 24 hours (clinically estimated or measured blood loss ≥ 1000 mL) |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
8.1 Higher‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
8.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
9 Severe primary PPH at time of birth and up to 24 hours (clinically estimated or measured blood loss ≥ 1000 mL) |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
9.1 Higher‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
9.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
10 Primary blood loss ≥ 500 mL at time of birth (clinically estimated or measured) |
3 |
4636 |
Risk Ratio (M‐H, Random, 95% CI) |
0.34 [0.27, 0.44] |
10.1 Higher‐income setting |
3 |
4636 |
Risk Ratio (M‐H, Random, 95% CI) |
0.34 [0.27, 0.44] |
10.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
11 Primary blood loss ≥ 500 mL after delivery of placenta and up to 24 hours (clinically estimated or measured) |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
11.1 Higher‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
11.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
12 Primary blood loss ≥ 500 mL at time of birth and up to 24 hours (clinically estimated or measured) |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
12.1 Higher‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
12.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
13 Mean maternal blood loss (mL) at time of birth (clinically estimated or measured) |
2 |
2941 |
Mean Difference (IV, Random, 95% CI) |
‐78.80 [‐95.96, ‐61.64] |
13.1 Higher‐income setting |
2 |
2941 |
Mean Difference (IV, Random, 95% CI) |
‐78.80 [‐95.96, ‐61.64] |
13.2 Lower‐income setting |
0 |
0 |
Mean Difference (IV, Random, 95% CI) |
0.0 [0.0, 0.0] |
14 Mean maternal blood loss (mL) after delivery of placenta and up to 24 hours (clinically estimated or measured) |
0 |
0 |
Mean Difference (IV, Random, 95% CI) |
0.0 [0.0, 0.0] |
14.1 Higher‐income setting |
0 |
0 |
Mean Difference (IV, Random, 95% CI) |
0.0 [0.0, 0.0] |
14.2 Lower‐income setting |
0 |
0 |
Mean Difference (IV, Random, 95% CI) |
0.0 [0.0, 0.0] |
15 Mean maternal blood loss (mL at time of birth and up to 24 hours (clinically estimated or measured) |
0 |
0 |
Mean Difference (IV, Random, 95% CI) |
0.0 [0.0, 0.0] |
15.1 Higher‐income setting |
0 |
0 |
Mean Difference (IV, Random, 95% CI) |
0.0 [0.0, 0.0] |
15.2 Lower‐income setting |
0 |
0 |
Mean Difference (IV, Random, 95% CI) |
0.0 [0.0, 0.0] |
16 Maternal blood transfusion |
4 |
4829 |
Risk Ratio (M‐H, Random, 95% CI) |
0.35 [0.22, 0.55] |
16.1 Higher‐income setting |
4 |
4829 |
Risk Ratio (M‐H, Random, 95% CI) |
0.35 [0.22, 0.55] |
16.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
17 Clinical signs of severe blood loss |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
17.1 Higher‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
17.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
18 Therapeutic uterotonics during third stage and/or within 24 hours |
4 |
4829 |
Risk Ratio (M‐H, Random, 95% CI) |
0.19 [0.15, 0.23] |
18.1 Higher‐income setting |
4 |
4829 |
Risk Ratio (M‐H, Random, 95% CI) |
0.19 [0.15, 0.23] |
18.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
19 Mean length of third stage |
1 |
1429 |
Mean Difference (IV, Random, 95% CI) |
‐0.30 [‐1.87, 1.27] |
19.1 Higher‐income setting |
1 |
1429 |
Mean Difference (IV, Random, 95% CI) |
‐0.30 [‐1.87, 1.27] |
19.2 Lower‐income setting |
0 |
0 |
Mean Difference (IV, Random, 95% CI) |
0.0 [0.0, 0.0] |
20 Manual removal of placenta as defined by study authors |
4 |
4829 |
Risk Ratio (M‐H, Random, 95% CI) |
1.78 [0.57, 5.56] |
20.1 Higher‐income setting |
4 |
4829 |
Risk Ratio (M‐H, Random, 95% CI) |
1.78 [0.57, 5.56] |
20.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
21 Postnatal diastolic blood pressure > 90 mmHg between birth of baby and discharge from the labour ward |
3 |
4636 |
Risk Ratio (M‐H, Random, 95% CI) |
4.10 [1.63, 10.30] |
21.1 Higher‐income setting |
3 |
4636 |
Risk Ratio (M‐H, Random, 95% CI) |
4.10 [1.63, 10.30] |
21.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
22 Postnatal vomiting between birth of baby and discharge from the labour ward |
3 |
4636 |
Risk Ratio (M‐H, Random, 95% CI) |
2.47 [1.36, 4.48] |
22.1 Higher‐income setting |
3 |
4636 |
Risk Ratio (M‐H, Random, 95% CI) |
2.47 [1.36, 4.48] |
22.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
23 Any analgesia between birth of the baby and discharge from labour ward |
1 |
1429 |
Risk Ratio (M‐H, Random, 95% CI) |
2.53 [1.34, 4.78] |
23.1 Higher‐income setting |
1 |
1429 |
Risk Ratio (M‐H, Random, 95% CI) |
2.53 [1.34, 4.78] |
23.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
24 Women's assessment of pain during third stage as reported by study authors |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
24.1 Higher‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
24.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
25 Secondary blood loss/any vaginal bleeding needing treatment (after 24 hours and up to 6 weeks) |
3 |
4636 |
Risk Ratio (M‐H, Random, 95% CI) |
1.10 [0.40, 2.99] |
25.1 Higher‐income setting |
3 |
4636 |
Risk Ratio (M‐H, Random, 95% CI) |
1.10 [0.40, 2.99] |
25.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
26 Amount of lochia either estimated or measured after 24 hours and up to discharge from hospital |
0 |
0 |
Mean Difference (IV, Random, 95% CI) |
0.0 [0.0, 0.0] |
26.1 Higher‐income setting |
0 |
0 |
Mean Difference (IV, Random, 95% CI) |
0.0 [0.0, 0.0] |
26.2 Lower‐income setting |
0 |
0 |
Mean Difference (IV, Random, 95% CI) |
0.0 [0.0, 0.0] |
27 Surgical evacuation of retained products of conception |
3 |
4636 |
Risk Ratio (M‐H, Random, 95% CI) |
0.74 [0.32, 1.71] |
27.1 Higher‐income setting |
3 |
4636 |
Risk Ratio (M‐H, Random, 95% CI) |
0.74 [0.32, 1.71] |
27.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
28 Afterpains ‐ abdominal pain associated with the contracting uterus in the postpartum period |
1 |
1429 |
Risk Ratio (M‐H, Random, 95% CI) |
2.53 [1.34, 4.78] |
28.1 Higher‐income setting |
1 |
1429 |
Risk Ratio (M‐H, Random, 95% CI) |
2.53 [1.34, 4.78] |
28.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
29 Apgar score < 7 at 5 minutes |
1 |
1695 |
Risk Ratio (M‐H, Random, 95% CI) |
1.00 [0.38, 2.66] |
29.1 Higher‐income setting |
1 |
1695 |
Risk Ratio (M‐H, Random, 95% CI) |
1.00 [0.38, 2.66] |
29.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
30 Birthweight |
2 |
3207 |
Mean Difference (IV, Random, 95% CI) |
‐76.90 [‐108.51, ‐45.30] |
30.1 Higher‐income setting |
2 |
3207 |
Mean Difference (IV, Random, 95% CI) |
‐76.90 [‐108.51, ‐45.30] |
30.2 Lower‐income setting |
0 |
0 |
Mean Difference (IV, Random, 95% CI) |
0.0 [0.0, 0.0] |
31 Neonatal encephalopathy assessed using Sarnat staging (Sarnat 1976; Table 1) |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
31.1 Higher‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
31.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
32 Neonatal mortality |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
32.1 Higher‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
32.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
33 Intraventricular haemorrhage ‐ Papille grade III/IV ‐ (for infants born before 34 weeks' gestation only) |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
33.1 Higher‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
33.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
34 Number of infants who received a red blood cell transfusion |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
34.1 Higher‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
34.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
35 Infant Hb level at 24 to 72 hours |
0 |
0 |
Mean Difference (IV, Random, 95% CI) |
0.0 [0.0, 0.0] |
35.1 Higher‐income setting |
0 |
0 |
Mean Difference (IV, Random, 95% CI) |
0.0 [0.0, 0.0] |
35.2 Lower‐income setting |
0 |
0 |
Mean Difference (IV, Random, 95% CI) |
0.0 [0.0, 0.0] |
36 Infant Hb level at 3‐6 months |
0 |
0 |
Mean Difference (IV, Random, 95% CI) |
0.0 [0.0, 0.0] |
36.1 Higher‐income setting |
0 |
0 |
Mean Difference (IV, Random, 95% CI) |
0.0 [0.0, 0.0] |
36.2 Lower‐income setting |
0 |
0 |
Mean Difference (IV, Random, 95% CI) |
0.0 [0.0, 0.0] |
37 Infant iron indices (ferritin) at 3 to 6 months. |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
37.1 Higher‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
37.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
38 Exclusive breastfeeding at discharge from hospital |
1 |
1695 |
Risk Ratio (M‐H, Random, 95% CI) |
1.01 [0.96, 1.07] |
38.1 Higher‐income setting |
1 |
1695 |
Risk Ratio (M‐H, Random, 95% CI) |
1.01 [0.96, 1.07] |
38.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
39 Neurodevelopmental, cognitive or developmental outcomes assessed after age 18 months |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
39.1 Higher‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
39.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
40 Return to hospital as in‐ or outpatient because of bleeding (not pre‐specified) |
2 |
2941 |
Risk Ratio (M‐H, Random, 95% CI) |
2.21 [1.29, 3.79] |
40.1 Higher‐income setting |
2 |
2941 |
Risk Ratio (M‐H, Random, 95% CI) |
2.21 [1.29, 3.79] |
40.2 Lower‐income setting |
0 |
0 |
Risk Ratio (M‐H, Random, 95% CI) |
0.0 [0.0, 0.0] |
41 Postnatal maternal mean Hb (outcome not pre‐specified) |
3 |
4062 |
Mean Difference (IV, Random, 95% CI) |
0.52 [0.44, 0.60] |
41.1 Higher‐income setting |
3 |
4062 |
Mean Difference (IV, Random, 95% CI) |
0.52 [0.44, 0.60] |
41.2 Lower‐income setting |
0 |
0 |
Mean Difference (IV, Random, 95% CI) |
0.0 [0.0, 0.0] |