Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

974 questions · 987 findings · 137 reviews

No studies found 182 · 18.4%GRADE not reported 90 · 9.1%Very low 165 · 16.7%Low 312 · 31.6%Moderate 163 · 16.5%High 75 · 7.6%

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

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

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

Balloon (Foley or ATAD) probably leads to higher vaginal delivery not achieved within 24 hours compared with low‐dose oral misoprostol (moderate certainty).

1 finding from 1 review

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

Uterine hyperstimulation with fetal heart rate changes · third trimester induction of labour in women with a viable fetus

Balloon (Foley or ATAD) showed no clear difference in uterine hyperstimulation with FHR changes compared with low‐dose oral misoprostol (low certainty).

1 finding from 1 review