Blastocyst‐stage vs cleavage‐stage embryo transfer
Cumulative pregnancy rate (vitrification) · Patients with subfertility
Blastocyst‐stage probably leads to higher cumulative pregnancy rate (vitrification) compared with cleavage‐stage embryo transfer (moderate certainty).
1 finding from 1 review
- Cleavage‐stage versus blastocyst‐stage embryo transfer in assisted reproductive technology 2022 · Cochrane Headline outcomes onlyOR 2.44 [1.17, 5.12]1 study · 120 participantsModerate