Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

954 questions · 963 findings · 130 reviews · Headline outcomes only

No studies found 181 · 18.8%GRADE not reported 71 · 7.4%Very low 163 · 16.9%Low 311 · 32.3%Moderate 163 · 16.9%High 74 · 7.7%

Routine/revealed vs selective/concealed ultrasound

Detection of multiple pregnancy by 24 to 26 weeks' gestation (number NOT detected) · Fetal ultrasound assessment before 24 weeks' gestation

Routine/revealed probably leads to lower detection of multiple pregnancy by 24 to 26 weeks' gestation (number… compared with selective/concealed ultrasound (moderate certainty).

1 finding from 1 review

Tape measurement vs clinical palpation

Neonatal detection of small‐for‐dates · Pregnant women with singleton fetuses who were of 20 weeks' gestation and above.

Tape measurement showed no clear difference in neonatal detection of small‐for‐dates compared with clinical palpation (low certainty).

1 finding from 1 review

Balloon (Foley or ATAD) vs vaginal prostaglandin E2

Vaginal delivery not achieved within 24 hours · third trimester induction of labour in women with a viable fetus

Balloon (Foley or ATAD) showed no clear difference in vaginal delivery not achieved in 24 hours compared with vaginal prostaglandin E2 (low certainty).

1 finding from 1 review

Balloon (Foley or ATAD) vs low‐dose vaginal misoprostol

Serious neonatal morbidity or perinatal death · third trimester induction of labour in women with a viable fetus

It is very uncertain whether balloon (Foley or ATAD) changes serious neonatal morbidity or perinatal death compared with low‐dose vaginal misoprostol (very low certainty).

1 finding from 1 review