Findings

What do systematic reviews say?

2 questions · 2 findings · 2 reviews · Gynaecology and Fertility

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 1 · 50%Moderate 1 · 50%High 0 · 0%

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

Multiple pregnancy rate · women undergoing assisted reproduction

Assisted hatching may leads to higher multiple pregnancy rate per woman randomised compared with no assisted hatching (low certainty).

1 finding from 1 review