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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
Relaxation vs standard care
Pain at six weeks after discharge · post‐caesarean pain
Complementary and alternative therapies for post‐caesarean pain (2020) · Cochrane
no estimate extractedNRNo studies
TENS vs no treatment
Pain · post‐caesarean pain
Complementary and alternative therapies for post‐caesarean pain (2020) · Cochrane
no estimate extracted1 study · 40 participantsLow
TENS vs no treatment
Adverse effects · post‐caesarean pain
Complementary and alternative therapies for post‐caesarean pain (2020) · Cochrane
no estimate extractedNRNo studies
TENS vs no treatment
Vital signs · post‐caesarean pain
Complementary and alternative therapies for post‐caesarean pain (2020) · Cochrane
no estimate extractedNRNo studies
TENS vs no treatment
Rescue analgesic requirement · post‐caesarean pain
Complementary and alternative therapies for post‐caesarean pain (2020) · Cochrane
no estimate extractedNRNo studies
TENS vs no treatment
Pain at six weeks after discharge · post‐caesarean pain
Complementary and alternative therapies for post‐caesarean pain (2020) · Cochrane
no estimate extractedNRNo studies
TENS plus analgesia vs placebo plus analgesia
Pain · post‐caesarean pain
Complementary and alternative therapies for post‐caesarean pain (2020) · Cochrane
no estimate extracted3 studies · 238 participantsLow
TENS plus analgesia vs placebo plus analgesia
Pain · post‐caesarean pain
Complementary and alternative therapies for post‐caesarean pain (2020) · Cochrane
no estimate extracted1 study · 108 participantsLow
TENS plus analgesia vs placebo plus analgesia
Adverse effects · post‐caesarean pain
Complementary and alternative therapies for post‐caesarean pain (2020) · Cochrane
no estimate extracted234 participantsUngraded
Acupuncture or acupressure plus analgesia vs placebo plus analgesia
Adverse effects · post‐caesarean pain
Complementary and alternative therapies for post‐caesarean pain (2020) · Cochrane
no estimate extractedNRNo studies
TENS plus analgesia vs placebo plus analgesia
Vital signs ‐ heart rate · post‐caesarean pain
Complementary and alternative therapies for post‐caesarean pain (2020) · Cochrane
no estimate extracted1 study · 108 participantsLow
TENS plus analgesia vs placebo plus analgesia
Vital signs: respiratory rate · post‐caesarean pain
Complementary and alternative therapies for post‐caesarean pain (2020) · Cochrane
no estimate extracted1 study · 108 participantsLow
TENS plus analgesia vs placebo plus analgesia
Rescue analgesic requirement (cumulative dose) ‐ Diclofenac · post‐caesarean pain
Complementary and alternative therapies for post‐caesarean pain (2020) · Cochrane
no estimate extracted1 study · 108 participantsLow
TENS plus analgesia vs placebo plus analgesia
Pain at six weeks after discharge · post‐caesarean pain
Complementary and alternative therapies for post‐caesarean pain (2020) · Cochrane
no estimate extractedNRNo studies
TENS plus analgesia vs analgesia
Pain · post‐caesarean pain
Complementary and alternative therapies for post‐caesarean pain (2020) · Cochrane
no estimate extracted2 studies · 92 participantsVery low
TENS plus analgesia vs analgesia
Pain · post‐caesarean pain
Complementary and alternative therapies for post‐caesarean pain (2020) · Cochrane
no estimate extracted1 study · 42 participantsVery low
TENS plus analgesia vs analgesia
Adverse effects · post‐caesarean pain
Complementary and alternative therapies for post‐caesarean pain (2020) · Cochrane
no estimate extractedNRNo studies
TENS plus analgesia vs analgesia
Vital signs ‐ heart rate · post‐caesarean pain
Complementary and alternative therapies for post‐caesarean pain (2020) · Cochrane
no estimate extracted1 study · 50 participantsVery low
TENS plus analgesia vs analgesia
Vital signs ‐ respiratory rate · post‐caesarean pain
Complementary and alternative therapies for post‐caesarean pain (2020) · Cochrane
no estimate extracted1 study · 50 participantsVery low
TENS plus analgesia vs analgesia
Rescue analgesic requirement (cumulative dose) ‐ dipyrone and morphine up to four hours · post‐caesarean pain
Complementary and alternative therapies for post‐caesarean pain (2020) · Cochrane
no estimate extracted2 studies · 92 participantsVery low
Acupuncture or acupressure plus analgesia vs placebo plus analgesia
Vital signs · post‐caesarean pain
Complementary and alternative therapies for post‐caesarean pain (2020) · Cochrane
no estimate extractedNRNo studies
TENS plus analgesia vs analgesia
Pain at six weeks after discharge · post‐caesarean pain
Complementary and alternative therapies for post‐caesarean pain (2020) · Cochrane
no estimate extractedNRNo studies
Acupuncture or acupressure plus analgesia vs placebo plus analgesia
Rescue analgesic requirement (number of analgesics consumed) · post‐caesarean pain
Complementary and alternative therapies for post‐caesarean pain (2020) · Cochrane
no estimate extracted1 study · 108 participantsVery low
Pharmacological oral galactagogues vs placebo or no treatment
Proportion of mothers who continued breastfeeding (exclusive or any) at 3, 4 and 6 months · increasing breast milk production in mothers of non‐hospitalised term infants
Oral galactagogues (natural therapies or drugs) for increasing breast milk production in mothers of… (2020) · Cochrane
no estimate extractedNRNo studies
Pharmacological oral galactagogues vs placebo or no treatment
Infant weight at the end of the study (grams) (in trials where they were only receiving own mother's milk)‐ metoclopramide ( · increasing breast milk production in mothers of non‐hospitalised term infants
Oral galactagogues (natural therapies or drugs) for increasing breast milk production in mothers of… (2020) · Cochrane
no estimate extracted1 study · 20 participantsLow
Pharmacological oral galactagogues vs placebo or no treatment
Volume of breast milk at the latest time measured (mL) ‐ domperidone, metoclopramide, sulpiride ( · increasing breast milk production in mothers of non‐hospitalised term infants
Oral galactagogues (natural therapies or drugs) for increasing breast milk production in mothers of… (2020) · Cochrane
no estimate extracted3 studies · 151 participantsLow
Pharmacological oral galactagogues vs placebo or no treatment
Adverse effects for the infant or mother ( · increasing breast milk production in mothers of non‐hospitalised term infants
Oral galactagogues (natural therapies or drugs) for increasing breast milk production in mothers of… (2020) · Cochrane
no estimate extracted5 studies · 133 participantsVery low
Natural oral galactagogues vs placebo or no treatment
Proportion of mothers who continued breastfeeding (exclusive or any) at 3, 4 and 6 months · increasing breast milk production in mothers of non‐hospitalised term infants
Oral galactagogues (natural therapies or drugs) for increasing breast milk production in mothers of… (2020) · Cochrane
no estimate extracted1 study · 60 participantsVery low
Natural oral galactagogues vs placebo or no treatment
Infant weight (where they were only receiving own mother's milk) at the end of the study (grams) ( · increasing breast milk production in mothers of non‐hospitalised term infants
Oral galactagogues (natural therapies or drugs) for increasing breast milk production in mothers of… (2020) · Cochrane
no estimate extracted3 studies · 275 participantsVery low
Natural oral galactagogues vs placebo or no treatment
Volume of breast milk at the latest time measured (mL) ( · increasing breast milk production in mothers of non‐hospitalised term infants
Oral galactagogues (natural therapies or drugs) for increasing breast milk production in mothers of… (2020) · Cochrane
no estimate extracted13 studies · 962 participantsVery low
Natural oral galactagogues vs placebo or no treatment
Adverse effects for the infant or mother · increasing breast milk production in mothers of non‐hospitalised term infants
Oral galactagogues (natural therapies or drugs) for increasing breast milk production in mothers of… (2020) · Cochrane
no estimate extracted7 studies · 10 participantsVery low
Simulation‐based obstetric team training vs no training
Maternal and perinatal outcome (Kirkpatrick level 4: patient outcome)
Multi‐professional simulation‐based team training in obstetric emergencies for improving patient outcomes… (2020) · Cochrane
no estimate extracted3 studies · 79320 participantsLow
Simulation‐based obstetric team training vs no training
Performance of obstetric team in practice (Kirkpatrick level 3: behavioural change)
Multi‐professional simulation‐based team training in obstetric emergencies for improving patient outcomes… (2020) · Cochrane
no estimate extracted3 studies · 2398 participantsModerate
Simulation‐based obstetric team training vs no training
Maternal mortality (Kirkpatrick level 4: patient outcome)
Multi‐professional simulation‐based team training in obstetric emergencies for improving patient outcomes… (2020) · Cochrane
RR 0.82 [0.3, 2.27]2 studies · 79246 participantsVery low
Simulation‐based obstetric team training vs no training
Neonatal mortality (Kirkpatrick level 4: patient outcome)
Multi‐professional simulation‐based team training in obstetric emergencies for improving patient outcomes… (2020) · Cochrane
RR 0.7 [0.48, 1.01]2 studies · 79246 participantsLow
Simulation‐based obstetric team training vs no training
Low Apgar score (Kirkpatrick level 4: patient outcome)
Multi‐professional simulation‐based team training in obstetric emergencies for improving patient outcomes… (2020) · Cochrane
RR 0.99 [0.85, 1.15]2 studies · 115171 participantsLow
Simulation‐based obstetric team training vs no training
Trauma due to shoulder dystocia (Kirkpatrick level 4: patient outcome)
Multi‐professional simulation‐based team training in obstetric emergencies for improving patient outcomes… (2020) · Cochrane
RR 0.5 [0.25, 1]1 study · 28657 participantsModerate
Simulation‐based obstetric team training vs no training
Cesarean delivery (Kirkpatrick level 4: patient outcome)
Multi‐professional simulation‐based team training in obstetric emergencies for improving patient outcomes… (2020) · Cochrane
RR 0.79 [0.67, 0.93]1 study · 50589 participantsModerate
Laxative vs placebo
Pain or straining on defecation · women in the postpartum period
Interventions for preventing postpartum constipation (2020) · Cochrane
no estimate extractedNRNo studies
Laxative vs placebo
Adverse effects on babies: loose stools · women in the postpartum period
Interventions for preventing postpartum constipation (2020) · Cochrane
RR 0.62 [0.16, 2.41]1 study · 281 participantsVery low
Laxative vs placebo
Adverse effects on babies: diarrhoea · women in the postpartum period
Interventions for preventing postpartum constipation (2020) · Cochrane
RR 2.46 [0.23, 26.82]1 study · 281 participantsVery low
Laxative plus bulking agent vs laxative alone
Pain or straining on defecation (Likert‐scale from 1 to 5; 1 = no pain; 5 = worst pain) · postpartum women who underwent surgical repair of third degree perineal tears
Interventions for preventing postpartum constipation (2020) · Cochrane
no estimate extracted1 study · 147 participantsVery low
Laxative plus bulking agent vs laxative alone
Incidence of postpartum constipation · postpartum women who underwent surgical repair of third degree perineal tears
Interventions for preventing postpartum constipation (2020) · Cochrane
no estimate extractedNRNo studies
Laxative plus bulking agent vs laxative alone
Quality of life · postpartum women who underwent surgical repair of third degree perineal tears
Interventions for preventing postpartum constipation (2020) · Cochrane
no estimate extractedNRNo studies
Laxative plus bulking agent vs laxative alone
Time to first bowel movement · postpartum women who underwent surgical repair of third degree perineal tears
Interventions for preventing postpartum constipation (2020) · Cochrane
no estimate extracted1 study · 147 participantsVery low
Laxative plus bulking agent vs laxative alone
Adverse effects on women: faecal incontinence during first 10 postpartum days · postpartum women who underwent surgical repair of third degree perineal tears
Interventions for preventing postpartum constipation (2020) · Cochrane
RR 1.81 [1.01, 3.23]1 study · 147 participantsVery low
Laxative plus bulking agent vs laxative alone
Adverse effects on babies · postpartum women who underwent surgical repair of third degree perineal tears
Interventions for preventing postpartum constipation (2020) · Cochrane
no estimate extractedNRNo studies
Laxative vs placebo
Incidence of postpartum constipation · women in the postpartum period
Interventions for preventing postpartum constipation (2020) · Cochrane
no estimate extractedNRNo studies
Laxative vs placebo
Quality of life · women in the postpartum period
Interventions for preventing postpartum constipation (2020) · Cochrane
no estimate extractedNRNo studies
Laxative vs placebo
Time to first bowel movement (BM) (№ women with 1st BM less than 24 hours after delivery) · women in the postpartum period
Interventions for preventing postpartum constipation (2020) · Cochrane
RR 2.9 [2.24, 3.75]1 study · 471 participantsLow