Systematic Review: Cleavage‐stage versus blastocyst‐stage embryo transfer in assisted reproductive technology.

Cleavage‐stage versus blastocyst‐stage embryo transfer in assisted reproductive technology – Cochrane Library

Summary: When trying to have a baby through assisted conception, is it better to transfer the embryo to the womb on day 3 or day 5? – Cochrane Library

Commentary on Twitter

Transferring fresh embryos at the blastocyst stage (day 5 to 6) may increase live births compared to transfer at cleavage stage (day 2 to 3). We are uncertain if blastocyst‐stage transfer increases multiple pregnancy or miscarriage @CochraneLibrary https://t.co/O5CrUPTpet pic.twitter.com/YNdrwCIkmt

— Cochrane Gynaecology & Fertility (@CochraneCGF) May 25, 2022