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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
Intracervical PGE₂ vs placebo
Serious neonatal morbidity or death · women requiring induction of labour
Pharmacological and mechanical interventions for labour induction in outpatient settings (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Intracervical PGE₂ vs placebo
Serious maternal morbidity or death · women requiring induction of labour
Pharmacological and mechanical interventions for labour induction in outpatient settings (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Intracervical PGE₂ vs placebo
Neonatal intensive care unit admission · women requiring induction of labour
Pharmacological and mechanical interventions for labour induction in outpatient settings (2017) · Cochrane
RR 1.61 [0.43, 6.05]3 studies · 215 participantsLow
Vaginal misoprostol vs placebo
Vaginal birth not achieved within 24 h · women requiring induction of labour
Pharmacological and mechanical interventions for labour induction in outpatient settings (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Vaginal misoprostol vs placebo
Vaginal birth not achieved within 48 and 72 h · women requiring induction of labour
Pharmacological and mechanical interventions for labour induction in outpatient settings (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Vaginal misoprostol vs placebo
Uterine hyperstimulation (with fetal heart rate changes) · women requiring induction of labour
Pharmacological and mechanical interventions for labour induction in outpatient settings (2017) · Cochrane
RR 1.97 [0.43, 9]3 studies · 265 participantsLow
Vaginal misoprostol vs placebo
Caesarean section · women requiring induction of labour
Pharmacological and mechanical interventions for labour induction in outpatient settings (2017) · Cochrane
RR 0.94 [0.61, 1.46]4 studies · 325 participantsLow
Vaginal misoprostol vs placebo
Serious neonatal morbidity or death · women requiring induction of labour
Pharmacological and mechanical interventions for labour induction in outpatient settings (2017) · Cochrane
RR 0.34 [0.01, 8.14]1 study · 77 participantsLow
Vaginal PGE₂ vs placebo or expectant management
Vaginal birth not achieved in 48 to 72 h · women requiring term labour induction
Pharmacological and mechanical interventions for labour induction in outpatient settings (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Vaginal misoprostol vs placebo
Serious maternal morbidity or death · women requiring induction of labour
Pharmacological and mechanical interventions for labour induction in outpatient settings (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Vaginal misoprostol vs placebo
Neonatal intensive care unit admission · women requiring induction of labour
Pharmacological and mechanical interventions for labour induction in outpatient settings (2017) · Cochrane
RR 0.89 [0.54, 1.47]4 studies · 325 participantsLow
Vaginal PGE₂ vs placebo or expectant management
Uterine hyperstimulation (fetal heart rate changes unclear) · women requiring term labour induction
Pharmacological and mechanical interventions for labour induction in outpatient settings (2017) · Cochrane
RR 3.76 [0.64, 22.24]4 studies · 244 participantsLow
Vaginal PGE₂ vs placebo or expectant management
Caesarean section · women requiring term labour induction
Pharmacological and mechanical interventions for labour induction in outpatient settings (2017) · Cochrane
RR 0.8 [0.49, 1.31]4 studies · 288 participantsLow
Vaginal PGE₂ vs placebo or expectant management
Serious neonatal morbidity or death · women requiring term labour induction
Pharmacological and mechanical interventions for labour induction in outpatient settings (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Vaginal PGE₂ vs placebo or expectant management
Serious maternal morbidity or death · women requiring term labour induction
Pharmacological and mechanical interventions for labour induction in outpatient settings (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Vaginal PGE₂ vs placebo or expectant management
Neonatal intensive care unit admission · women requiring term labour induction
Pharmacological and mechanical interventions for labour induction in outpatient settings (2017) · Cochrane
RR 0.32 [0.1, 1.03]3 studies · 230 participantsLow
Intracervical PGE₂ vs placebo
Vaginal birth not achieved within 24 h · women requiring induction of labour
Pharmacological and mechanical interventions for labour induction in outpatient settings (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Intracervical PGE₂ vs placebo
Vaginal birth not achieved in 48 to 72 h · women requiring induction of labour
Pharmacological and mechanical interventions for labour induction in outpatient settings (2017) · Cochrane
RR 0.83 [0.68, 1.02]1 study · 43 participantsLow
Maternal outcomes: oral anti‐diabetic agent (metformin) vs insulin
Hypertensive disorders of pregnancy: pre‐eclampsia · women with type 2 diabetes
Oral anti‐diabetic agents for women with established diabetes/impaired glucose tolerance or previous… (2017) · Cochrane
RR 0.63 [0.33, 1.2]2 studies · 227 participantsVery low
Infant outcomes: oral anti‐diabetic agent (metformin) vs insulin
Hypoglycaemia · women with type 2 diabetes mellitus
Oral anti‐diabetic agents for women with established diabetes/impaired glucose tolerance or previous… (2017) · Cochrane
RR 0.34 [0.18, 0.62]3 studies · 241 participantsVery low
Infant outcomes: oral anti‐diabetic agent (metformin) vs insulin
Neonatal mortality or morbidity composite · women with type 2 diabetes mellitus
Oral anti‐diabetic agents for women with established diabetes/impaired glucose tolerance or previous… (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Infant outcomes: oral anti‐diabetic agent (metformin) vs insulin
Childhood/adulthood neurosensory disability · women with type 2 diabetes mellitus
Oral anti‐diabetic agents for women with established diabetes/impaired glucose tolerance or previous… (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Infant outcomes: oral anti‐diabetic agent (metformin) vs insulin
Childhood/adulthood adiposity · women with type 2 diabetes mellitus
Oral anti‐diabetic agents for women with established diabetes/impaired glucose tolerance or previous… (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Infant outcomes: oral anti‐diabetic agent (metformin) vs insulin
Childhood/adulthood diabetes · women with type 2 diabetes mellitus
Oral anti‐diabetic agents for women with established diabetes/impaired glucose tolerance or previous… (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Maternal outcomes: oral anti‐diabetic agent (metformin) vs insulin
Hypertensive disorders of pregnancy: pregnancy‐induced hypertension · women with type 2 diabetes
Oral anti‐diabetic agents for women with established diabetes/impaired glucose tolerance or previous… (2017) · Cochrane
RR 0.58 [0.37, 0.91]1 study · 206 participantsLow
Maternal outcomes: oral anti‐diabetic agent (metformin) vs insulin
Caesarean section · women with type 2 diabetes
Oral anti‐diabetic agents for women with established diabetes/impaired glucose tolerance or previous… (2017) · Cochrane
RR 0.73 [0.61, 0.88]3 studies · 241 participantsLow
Maternal outcomes: oral anti‐diabetic agent (metformin) vs insulin
Induction of labour · women with type 2 diabetes
Oral anti‐diabetic agents for women with established diabetes/impaired glucose tolerance or previous… (2017) · Cochrane
RR 1.42 [0.62, 3.28]2 studies · 35 participantsVery low
Maternal outcomes: oral anti‐diabetic agent (metformin) vs insulin
Perineal trauma · women with type 2 diabetes
Oral anti‐diabetic agents for women with established diabetes/impaired glucose tolerance or previous… (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Maternal outcomes: oral anti‐diabetic agent (metformin) vs insulin
Postnatal depression · women with type 2 diabetes
Oral anti‐diabetic agents for women with established diabetes/impaired glucose tolerance or previous… (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Maternal outcomes: oral anti‐diabetic agent (metformin) vs insulin
Postnatal weight retention · women with type 2 diabetes
Oral anti‐diabetic agents for women with established diabetes/impaired glucose tolerance or previous… (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Infant outcomes: oral anti‐diabetic agent (metformin) vs insulin
Large‐for‐gestational age · women with type 2 diabetes mellitus
Oral anti‐diabetic agents for women with established diabetes/impaired glucose tolerance or previous… (2017) · Cochrane
RR 1.12 [0.73, 1.72]1 study · 206 participantsVery low
Infant outcomes: oral anti‐diabetic agent (metformin) vs insulin
Perinatal mortality · women with type 2 diabetes mellitus
Oral anti‐diabetic agents for women with established diabetes/impaired glucose tolerance or previous… (2017) · Cochrane
no estimate extracted2 studies · 220 participantsVery low
Preconception care vs standard care
Pregnancy · adolescent girls with type 1 or type 2 diabetes
Preconception care for diabetic women for improving maternal and infant health (2017) · Cochrane
no estimate extracted1 study · 109 participantsVery low
Preconception care vs standard care
Death or morbidity composite · adolescent girls with type 1 or 2 diabetes
Preconception care for diabetic women for improving maternal and infant health (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Preconception care vs standard care
Congenital malformations · adolescent girls with type 1 or 2 diabetes
Preconception care for diabetic women for improving maternal and infant health (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Preconception care vs standard care
Adiposity · adolescent girls with type 1 or 2 diabetes
Preconception care for diabetic women for improving maternal and infant health (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Preconception care vs standard care
Type 1 or 2 diabetes · adolescent girls with type 1 or 2 diabetes
Preconception care for diabetic women for improving maternal and infant health (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Preconception care vs standard care
Neurosensory disability · adolescent girls with type 1 or 2 diabetes
Preconception care for diabetic women for improving maternal and infant health (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Preconception care vs standard care
Hypertensive disorders of pregnancy · adolescent girls with type 1 or type 2 diabetes
Preconception care for diabetic women for improving maternal and infant health (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Preconception care vs standard care
Caesarean section · adolescent girls with type 1 or type 2 diabetes
Preconception care for diabetic women for improving maternal and infant health (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Preconception care vs standard care
Perineal trauma · adolescent girls with type 1 or type 2 diabetes
Preconception care for diabetic women for improving maternal and infant health (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Preconception care vs standard care
Gestational weight gain · adolescent girls with type 1 or type 2 diabetes
Preconception care for diabetic women for improving maternal and infant health (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Preconception care vs standard care
Cardiovascular health · adolescent girls with type 1 or type 2 diabetes
Preconception care for diabetic women for improving maternal and infant health (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Preconception care vs standard care
Induction of labour · adolescent girls with type 1 or type 2 diabetes
Preconception care for diabetic women for improving maternal and infant health (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Preconception care vs standard care
Large‐for‐gestational age · adolescent girls with type 1 or 2 diabetes
Preconception care for diabetic women for improving maternal and infant health (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Preconception care vs standard care
Perinatal mortality · adolescent girls with type 1 or 2 diabetes
Preconception care for diabetic women for improving maternal and infant health (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Intermittent ausculation of fetal heart rate in labour for fetal well‐being ‐ Intermittent electronic fetal monitoring (CTG) vs routine Pinard (outcomes
Apgar < 7 at 5 minutes · women in established labour and their babies.
Intermittent auscultation (IA) of fetal heart rate in labour for fetal well‐being (2017) · Cochrane
RR 0.66 [0.24, 1.83]1 study · 633 participantsVery low
Intermittent ausculation of fetal heart rate in labour for fetal well‐being ‐ Intermittent electronic fetal monitoring (CTG) vs routine Pinard (outcomes
Maternal mortality · women in established labour and their babies.
Intermittent auscultation (IA) of fetal heart rate in labour for fetal well‐being (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Intermittent ausculation of fetal heart rate in labour for fetal well‐being ‐ Intermittent electronic fetal monitoring (CTG) vs routine Pinard (outcomes
Any pharmacological or non‐pharmacological analgesia use excluding epidural · women in established labour and their babies.
Intermittent auscultation (IA) of fetal heart rate in labour for fetal well‐being (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Intermittent ausculation of fetal heart rate in labour for fetal well‐being ‐ Intermittent electronic fetal monitoring (CTG) vs routine Pinard (outcomes
Epidural anaesthesia for pain relief excluding for caesarean section · women in established labour and their babies.
Intermittent auscultation (IA) of fetal heart rate in labour for fetal well‐being (2017) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded