Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,257 questions · 1,337 findings · 183 reviews

No studies found 175 · 13.1%GRADE not reported 212 · 15.9%Very low 286 · 21.4%Low 341 · 25.5%Moderate 254 · 19%High 69 · 5.2%

Day 3 vs Day 2 embryo transfer following IVF or ICSI

Multiple pregnancy rate · Women undergoing in vitro fertilisation or intracytoplasmic sperm injection

Day 3 showed no clear difference in multiple pregnancy rate per woman compared with day 2 embryo transfer following IVF or ICSI (moderate certainty).

1 finding from 1 review

Ultrasound‐guided embryo transfer vs clinical touch

Multiple pregnancy rate · Women undergoing embryo transfer as part of IVF or ICSI cycle

Ultrasound‐guided embryo transfer showed no clear difference in multiple pregnancy (per woman randomised) compared with clinical touch (moderate certainty).

1 finding from 1 review

Case management vs treatment

Multiple readmissions for SH at post‐intervention · adults who engage in SH

Comparison 3: Case management probably leads to higher multiple readmissions for SH at post‐intervention compared with treatment (moderate certainty).

1 finding from 1 review

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