Findings

What do systematic reviews say?

1 questions · 1 findings · 1 reviews · Gynaecology and Fertility

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 1 · 100%Moderate 0 · 0%High 0 · 0%

Cumulative pregnancy rate (slow freezing) · Patients with subfertility

Blastocyst‐stage may leads to lower cumulative pregnancy rate (slow freezing) compared with cleavage‐stage embryo transfer (low certainty).

1 finding from 1 review

Cleavage‐stage versus blastocyst‐stage embryo transfer in assisted reproductive technology 2022 · Cochrane Headline outcomes only
OR 0.69 [0.48, 0.99]
4 studies · 512 participants
Low