Hanying Zhou

ORCID: 0000-0002-4211-8563 · 6 papers in corpus
observational 2025
Associations between inactivated COVID-19 vaccination status and timing and fertility and pregnancy outcomes following frozen-thawed embryo transfer: a prospective cohort study
Frontiers in endocrinology ·doi:10.3389/fendo.2025.1587251

OBJECTIVE: Limited evidence exists on the safety of inactivated COVID-19 vaccines and the optimal vaccination timing for women undergoing in vitro fertilization-frozen embryo transfer (IVF-FET). This study aims to examine the associations b…

rct 2025
Natural cycle versus hormone replacement therapy as endometrial preparation in ovulatory women undergoing frozen-thawed embryo transfer: The COMPETE open-label randomized controlled trial
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 2022
Gonadotropin-releasing hormone agonist downregulation combined with hormone replacement therapy improves the reproductive outcome in frozen-thawed embryo transfer cycles for patients of advanced reproductive age with idiopathic recurrent implantation failure
Reproductive biology and endocrinology : RB&E ·doi:10.1186/s12958-022-00897-3

BACKGROUND: To determine whether gonadotropin-releasing hormone (GnRH) agonist downregulation combined with hormone replacement therapy (HRT) can improve the reproductive outcomes in frozen-thawed embryo transfer cycles for older patients (…

observational 2021
Gonadotropin-releasing Hormone Agonist Down Regulation Combined With Hormone Replacement Therapy Improves the Reproductive Outcome in the Frozen-thawed Embryo Transfer Cycle of Elderly Patients With Idiopathic Recurrent Implantation Failure
·doi:10.21203/rs.3.rs-1090205/v1

Abstract BackgroundTo determine whether Gonadotropin-releasing hormone (GnRH) agonist down regulation combined with hormone replacement treatment (HRT) can improve the reproductive outcomes in the frozen thawed embryo transfer (FET) cycle o…

other 2020
Cumulative Live Birth Rates According to Maternal Body Mass Index After First Ovarian Stimulation for in vitro Fertilization: A Single Center Analysis of 14,782 Patients
Frontiers in endocrinology ·doi:10.3389/fendo.2020.00149

Objective: To investigate the cumulative live birth rates (CLBR) according to body mass index (BMI) in women undergoing their first in vitro fertilization (IVF). Design: Retrospective cohort analysis. Setting: An IVF clinic in a public hosp…

observational 2019
Cumulative Live Birth Rates of Good and Low Prognosis Patients According to POSEIDON Criteria: A Single Center Analysis of 18,455 Treatment Cycles
Frontiers in endocrinology ·doi:10.3389/fendo.2019.00409

Objective: To investigate the characteristics and outcomes of low prognosis patients defined by POSEIDON criteria undergoing IVF treatment. Design: Retrospective cohort analysis. Setting: An IVF clinic in a public hospital. Patients: 18,455…