Haiyan Bai

No ORCID on file · 9 papers in corpus
rct 2025
PLoS medicine ·doi:10.1371/journal.pmed.1004630

BACKGROUND: Different endometrial preparation protocols are used prior to frozen-thawed embryo transfer (FET). Optimization of endometrial preparation protocols is mandatory to improve live birth rate and obstetric and perinatal outcomes. I…

observational 2025
Reproductive biology and endocrinology : RB&E ·doi:10.1186/s12958-025-01371-6

RESEARCH QUESTION: Does preimplantation genetic testing for aneuploidy (PGT-A) on cryopreserved unbiopsied blastocysts improve pregnancy outcomes for women with previous IVF-related pregnancy loss? METHODS: This retrospective observational…

rct 2025
Nature communications ·doi:10.1038/s41467-025-67714-4

Advanced maternal age (AMA, ≥35 years) women undergoing assisted reproductive technology (ART) face reduced live birth rates (LBR) and remain a major clinical challenge. In a large randomized trial, Zishen Yutai Pill (ZYP) improved LBR in t…

observational 2023
BMC pregnancy and childbirth ·doi:10.1186/s12884-023-05342-w

BACKGROUND: Late follicular phase progesterone elevation (LFPE) during ovarian stimulation is associated with reduced live birth rates (LBRs) after cleavage-stage embryo transfer. However, due to better synchronization with a stimulated end…

rct 2022
Obstetrics and gynecology ·doi:10.1097/aog.0000000000004658

OBJECTIVE: To assess the efficacy of the Zishen Yutai Pill compared with placebo on live birth rates among women after fresh embryo transfer cycles. METHODS: We conducted a double-blind, multicenter, placebo-controlled, randomized trial to…

observational 2022
Frontiers in endocrinology ·doi:10.3389/fendo.2022.969379

BACKGROUND: A number of studies have compared the clinical outcomes between the two endometrial preparation methods: natural cycles (NCs) and hormone replacement treatment (HRT) before frozen embryo transfer, but the results were conflictin…

observational 2021
BMC pregnancy and childbirth ·doi:10.1186/s12884-021-04293-4

BACKGROUND: The ideal protocols of endometrial preparation for polycystic ovary syndrome (PCOS) patients are lacking and need further declaration. Our objective was to compare the clinical outcomes of frozen-thawed embryo transfer (FET) wit…

observational 2019
Archives of gynecology and obstetrics ·doi:10.1007/s00404-019-05373-9

PURPOSE: To compare the clinical outcome of fresh embryo transfer with frozen-thawed embryo transfer in subsequent cycle of GnRH antagonist protocol. METHODS: Totally, 1430 women were enrolled from the cases of our Assisted Reproduction Ce…

observational 2019
Scientific reports ·doi:10.1038/s41598-019-53919-3

It is unknown whether seasonal variation influences the outcome of in vitro fertilization (IVF). Previous studies related to seasonal variation of IVF were all small sample size, and the results were conflicting. We performed a retrospectiv…