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Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

3,601 questions in 252 reviews · Pregnancy and Childbirth

current versions
No studies 726 · 20.2%Ungraded 421 · 11.7%Very low 828 · 23%Low 993 · 27.6%Moderate 486 · 13.5%High 147 · 4.1%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

QuestionEffectEvidenceStatus / GRADE
Oxytocin + ergometrine vs ergot alkaloids
Third stage > 30 minutes · women in the third stage of labour
Prophylactic oxytocin for the third stage of labour to prevent postpartum haemorrhage (2019) · Cochrane
no estimate extractedNRNo studies
Oxytocin + ergometrine vs ergot alkaloids
Diastolic blood pressure > 100 mm Hg between delivery of the baby and discharge from the labour ward · women in the third stage of labour
Prophylactic oxytocin for the third stage of labour to prevent postpartum haemorrhage (2019) · Cochrane
no estimate extractedNRNo studies
Oxytocin vs no uterotonics or placebo
Maternal all‐cause mortality · women in the third stage of labour
Prophylactic oxytocin for the third stage of labour to prevent postpartum haemorrhage (2019) · Cochrane
no estimate extractedNRNo studies
Oxytocin vs no uterotonics or placebo
Blood loss 1000 mL or more after delivery · women in the third stage of labour
Prophylactic oxytocin for the third stage of labour to prevent postpartum haemorrhage (2019) · Cochrane
RR 0.59 [0.42, 0.83]5 studies · 4123 participantsLow
Oxytocin vs no uterotonics or placebo
Blood transfusion · women in the third stage of labour
Prophylactic oxytocin for the third stage of labour to prevent postpartum haemorrhage (2019) · Cochrane
RR 0.88 [0.44, 1.78]3 studies · 3081 participantsLow
Oxytocin vs no uterotonics or placebo
Third stage greater than 30 minutes · women in the third stage of labour
Prophylactic oxytocin for the third stage of labour to prevent postpartum haemorrhage (2019) · Cochrane
RR 2.55 [0.88, 7.44]1 study · 1947 participantsModerate
Oxytocin vs no uterotonics or placebo
Diastolic blood pressure > 100 mm Hg between delivery of the baby and discharge from the labour ward · women in the third stage of labour
Prophylactic oxytocin for the third stage of labour to prevent postpartum haemorrhage (2019) · Cochrane
no estimate extractedNRNo studies
Oxytocin vs ergot alkaloids
Blood loss 500 mL or more after delivery · women in the third stage of labour
Prophylactic oxytocin for the third stage of labour to prevent postpartum haemorrhage (2019) · Cochrane
RR 0.84 [0.56, 1.25]10 studies · 3082 participantsVery low
Oxytocin vs ergot alkaloids
Need for additional uterotonics · women in the third stage of labour
Prophylactic oxytocin for the third stage of labour to prevent postpartum haemorrhage (2019) · Cochrane
RR 0.89 [0.43, 1.81]8 studies · 2178 participantsVery low
Vaginal misoprostol vs placebo
Complete miscarriage · early fetal death (less than 24 weeks)
Medical treatment for early fetal death (less than 24 weeks) (2019) · Cochrane
RR 4.23 [3.01, 5.94]5 studies · 305 participantsLow
Vaginal misoprostol vs surgical evacuation of uterus
Nausea · early fetal death (less than 24 weeks)
Medical treatment for early fetal death (less than 24 weeks) (2019) · Cochrane
RR 21.85 [1.31, 364.37]1 study · 154 participantsLow
Vaginal misoprostol vs surgical evacuation of uterus
Diarrhoea · early fetal death (less than 24 weeks)
Medical treatment for early fetal death (less than 24 weeks) (2019) · Cochrane
RR 40.85 [2.52, 662.57]1 study · 154 participantsLow
Vaginal misoprostol vs surgical evacuation of uterus
Blood loss: post‐treatment haematocrit (%) · early fetal death (less than 24 weeks)
Medical treatment for early fetal death (less than 24 weeks) (2019) · Cochrane
no estimate extracted1 study · 50 participantsLow
Vaginal misoprostol vs surgical evacuation of uterus
Pain relief · early fetal death (less than 24 weeks)
Medical treatment for early fetal death (less than 24 weeks) (2019) · Cochrane
RR 1.421 study · 154 participantsLow
Vaginal misoprostol vs surgical evacuation of uterus
Woman’s satisfaction/acceptability of method · early fetal death (less than 24 weeks)
Medical treatment for early fetal death (less than 24 weeks) (2019) · Cochrane
RR 0.67 [0.4, 1.11]1 study · 45 participantsLow
Vaginal misoprostol vs placebo
Pelvic infection · early fetal death (less than 24 weeks)
Medical treatment for early fetal death (less than 24 weeks) (2019) · Cochrane
no estimate extractedNRNo studies
Vaginal misoprostol vs placebo
Nausea · early fetal death (less than 24 weeks)
Medical treatment for early fetal death (less than 24 weeks) (2019) · Cochrane
RR 1.38 [0.43, 4.4]2 studies · 88 participantsLow
Vaginal misoprostol vs placebo
Diarrhoea · early fetal death (less than 24 weeks)
Medical treatment for early fetal death (less than 24 weeks) (2019) · Cochrane
RR 2.21 [0.35, 14.06]2 studies · 88 participantsLow
Vaginal misoprostol vs placebo
Blood loss: haemoglobin difference > 10 g/L · early fetal death (less than 24 weeks)
Medical treatment for early fetal death (less than 24 weeks) (2019) · Cochrane
RR 1.25 [0.38, 4.12]1 study · 50 participantsVery low
Vaginal misoprostol vs placebo
Pain (opiate use) · early fetal death (less than 24 weeks)
Medical treatment for early fetal death (less than 24 weeks) (2019) · Cochrane
RR 5 [0.25, 101.11]1 study · 84 participantsVery low
Vaginal misoprostol vs placebo
Woman’s satisfaction/acceptability of method · early fetal death (less than 24 weeks)
Medical treatment for early fetal death (less than 24 weeks) (2019) · Cochrane
RR 1.17 [0.83, 1.64]1 study · 32 participantsLow
Vaginal misoprostol vs surgical evacuation of uterus
Complete miscarriage · early fetal death (less than 24 weeks)
Medical treatment for early fetal death (less than 24 weeks) (2019) · Cochrane
RR 0.4 [0.32, 0.5]6 studies · 943 participantsLow
Vaginal misoprostol vs surgical evacuation of uterus
Pelvic infection · early fetal death (less than 24 weeks)
Medical treatment for early fetal death (less than 24 weeks) (2019) · Cochrane
RR 0.73 [0.39, 1.37]1 study · 618 participantsLow
DCC with immediate neonatal care after cord clamping vs ECC (subgroup analysis by gestation)
Death of baby (up to discharge) · babies born preterm, and their mothers
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
RR 0.73 [0.54, 0.98]20 studies · 2680 participantsModerate
DCC with immediate neonatal care with cord intact vs ECC
Severe intraventricular haemorrhage (IVH grades 3, 4) · babies born preterm, and their mothers
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
RR 0.84 [0.29, 2.45]1 study · 266 participantsLow
DCC with immediate neonatal care with cord intact vs ECC
Intraventricular haemorrhage (IVH, all grades) · babies born preterm, and their mothers
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
RR 0.9 [0.64, 1.26]1 study · 266 participantsLow
DCC with immediate neonatal care with cord intact vs ECC
Periventricular leukomalacia (PVL) · babies born preterm, and their mothers
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
RR 0.86 [0.32, 2.31]1 study · 266 participantsLow
DCC with immediate neonatal care with cord intact vs ECC
Chronic lung disease (CLD) ‐ oxygen supplement at 36 weeks (corrected for gestation) · babies born preterm, and their mothers
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
RR 0.95 [0.66, 1.37]1 study · 249 participantsLow
DCC with immediate neonatal care with cord intact vs ECC
Maternal blood loss of 500 mL or greater · babies born preterm, and their mothers
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
RR 0.94 [0.72, 1.22]1 study · 254 participantsLow
DCC with immediate neonatal care after cord clamping vs UCM
Death of baby (up to discharge) · babies born preterm, and their mothers
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
RR 2.14 [0.93, 4.93]3 studies · 322 participantsLow
DCC with immediate neonatal care after cord clamping vs UCM
Death or neurodevelopmental impairment at age 2 to 3 years · babies born preterm, and their mothers
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
RR 1.67 [0.78, 3.57]2 studies · 195 participantsVery low
DCC with immediate neonatal care after cord clamping vs UCM
Severe intraventricular haemorrhage (IVH grades 3, 4) · babies born preterm, and their mothers
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
RR 2.63 [0.11, 61.88]1 study · 58 participantsLow
DCC with immediate neonatal care after cord clamping vs UCM
Intraventricular haemorrhage (IVH, all grades) · babies born preterm, and their mothers
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
RR 1.32 [0.55, 3.17]2 studies · 125 participantsVery low
DCC with immediate neonatal care after cord clamping vs UCM
Periventricular leukomalacia (PVL) · babies born preterm, and their mothers
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
no estimate extracted1 study · 58 participantsLow
DCC with immediate neonatal care after cord clamping vs ECC (subgroup analysis by gestation)
Death or neurodevelopmental impairment in early years · babies born preterm, and their mothers
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
DCC with immediate neonatal care after cord clamping vs UCM
Chronic lung disease (CLD) ‐ oxygen supplement at 36 weeks (corrected for gestation) · babies born preterm, and their mothers
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
RR 1.53 [0.43, 5.48]2 studies · 125 participantsLow
DCC with immediate neonatal care after cord clamping vs UCM
Maternal blood loss of 500 mL or greater · babies born preterm, and their mothers
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
UCM vs ECC
Death of baby (up to discharge) · babies born preterm, and their mothers.
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
RR 0.81 [0.47, 1.41]9 studies · 931 participantsLow
UCM vs ECC
Death or neurodevelopmental impairment at age 2 to 3 years · babies born preterm, and their mothers.
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
UCM vs ECC
Severe intraventricular haemorrhage (IVH grades 3, 4) · babies born preterm, and their mothers.
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
RR 0.75 [0.39, 1.45]6 studies · 618 participantsLow
UCM vs ECC
Intraventricular haemorrhage (IVH, all grades) · babies born preterm, and their mothers.
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
RR 0.85 [0.62, 1.18]8 studies · 716 participantsModerate
UCM vs ECC
Periventricular leukomalacia (PVL) · babies born preterm, and their mothers.
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
RR 0.63 [0.15, 2.63]3 studies · 315 participantsLow
UCM vs ECC
Chronic lung disease (CLD) ‐ oxygen supplement at 36 weeks (corrected for gestation) · babies born preterm, and their mothers.
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
RR 1.03 [0.64, 1.66]7 studies · 682 participantsLow
UCM vs ECC
Maternal blood loss of 500 mL or greater · babies born preterm, and their mothers.
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
no estimate extracted1 study · 200 participantsLow
DCC with immediate neonatal care after cord clamping vs ECC (subgroup analysis by gestation)
Severe intraventricular haemorrhage (IVH grades 3, 4) · babies born preterm, and their mothers
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
RR 0.94 [0.63, 1.39]10 studies · 2058 participantsLow
DCC with immediate neonatal care after cord clamping vs ECC (subgroup analysis by gestation)
Intraventricular haemorrhage (IVH, all grades) · babies born preterm, and their mothers
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
RR 0.83 [0.7, 0.99]15 studies · 2333 participantsHigh
DCC with immediate neonatal care after cord clamping vs ECC (subgroup analysis by gestation)
Periventricular leukomalacia (PVL) · babies born preterm, and their mothers
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
RR 0.58 [0.26, 1.3]4 studies · 1544 participantsLow
DCC with immediate neonatal care after cord clamping vs ECC (subgroup analysis by gestation)
Chronic lung disease (CLD) ‐ oxygen supplement at 36 weeks (corrected for gestation) · babies born preterm, and their mothers
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
RR 1.04 [0.94, 1.14]6 studies · 1644 participantsHigh
DCC with immediate neonatal care after cord clamping vs ECC (subgroup analysis by gestation)
Maternal blood loss of 500 mL or greater · babies born preterm, and their mothers
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
RR 1.14 [0.07, 17.63]2 studies · 180 participantsVery low
DCC with immediate neonatal care with cord intact vs ECC
Death of baby (up to discharge) · babies born preterm, and their mothers
Effect of timing of umbilical cord clamping and other strategies to influence placental transfusion at… (2019) · Cochrane
RR 0.47 [0.2, 1.11]1 study · 270 participantsLow