Danjun Li

No ORCID on file · 3 papers in corpus
observational 2026
The value of the pronucleus size of human single pronucleus zygotes as a predictor of fertility outcomes in conventional in vitro fertilization: a retrospective cohort study
European journal of medical research ·doi:10.1186/s40001-025-03813-8

BACKGROUND: Embryos derived from in vitro fertilization (IVF) single pronucleus (1PN) zygotes can achieve live births. The pronucleus size of 1PN zygotes is related to their embryonic development potential. However, these studies cannot dra…

observational 2022
Neonatal outcomes and congenital malformations in children born after progestin-primed ovarian stimulation protocol
Frontiers in endocrinology ·doi:10.3389/fendo.2022.965863

PURPOSE: The purpose of this study is to assess the safety of progestin-primed ovarian stimulation (PPOS) protocol regarding the neonatal outcomes and congenital malformations in babies born after in vitro fertilization (IVF) and frozen emb…

other 2021
Frozen Embryo Transfer in Mildly Stimulated Cycle With Letrozole Compared to Natural Cycle in Ovulatory Women: A Large Retrospective Study
Frontiers in endocrinology ·doi:10.3389/fendo.2021.677689

OBJECTIVE: To evaluate the clinical effect of mild stimulation with letrozole on pregnancy outcomes in ovulatory women undergoing frozen embryo transfer (FET) compared to natural cycle. DESIGN: Retrospective observational study. SETTING: …