Qiao-Song Han

No ORCID on file · 3 papers in corpus
observational 2024
Frontiers in endocrinology ·doi:10.3389/fendo.2024.1340230

BACKGROUND: Several studies have compared the effects of fixed and flexible gonadotropin releasing hormone antagonist (GnRH-ant) protocols during in vitro fertilization and embryo transfer (IVF-ET). However, which GnRH-ant initiation strate…

other 2024
Frontiers in endocrinology ·doi:10.3389/fendo.2024.1448138

BACKGROUND: The blastocyst-stage embryo has been considered more advantageous for increasing the cumulative live birth rate (CLBR) at fresh embryo transfer (ET) compared to the cleavage-stage embryo. However, it remains uncertain whether th…

rct 2023
Medicine ·doi:10.1097/md.0000000000034088

INTRODUCTION: Advanced age is one of the primary risk factors for infertility. Poor ovarian response (POR) to exogenous gonadotropin is a prominent characteristic of advanced-age women undergoing in vitro fertilization and embryo transfer (…