Yiqun Sun

No ORCID on file · 1 paper in corpus

observational 2024

Comparison of pregnancy outcomes between 4th day morula and 5th day blastocyst after embryo transfer: a retrospective cohort study

BMC pregnancy and childbirth ·doi:10.1186/s12884-024-06597-7

BACKGROUND: This study was designed to evaluate pregnancy outcomes between morulae transferred on day 4 (D4) and blastocysts transferred on day 5 (D5). METHODS: From September 2017 to September 2020, 1963 fresh transfer cycles underwent ea…