Han QS

ORCID: 0000-0003-3720-3939 · 3 papers in corpus
observational 2024
Optimal timing of GnRH antagonist initiation in IVF-ET: a retrospective cohort study on advanced maternal age women
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 2023
Effectiveness of oestrogen pretreatment in patients with expected poor ovarian response (POSEIDON groups 3 and 4) undergoing GnRH antagonist protocol: study protocol for a randomised controlled trial
BMJ open ·doi:10.1136/bmjopen-2022-069840

INTRODUCTION: Women characterised by diminished ovarian reserve are considered to have poor ovarian response (POR) according to Patient-Oriented Strategies Encompassing IndividualizeD Oocyte Number (POSEIDON) criteria. Patients in this popu…

rct 2023
The role of Erzhi Tiangui formula in expected poor ovarian responders undergoing in vitro fertilization-embryo transfer: A multicenter, randomized, double-blind, placebo-controlled trial
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 (…