Prioritized single vitrified blastocyst to be warmed between grades 3 or 4 blastocyst on day 5 transfer cycles

ConclusionsGrade 4 vitrified blastocyst is recommended when facing single vitrified blastocyst on day 5 transfer. More importantly, the “embryonic escape hypothesis” was firstly proposed to reveal the findings.
Source: Archives of Gynecology and Obstetrics - Category: OBGYN Source Type: research