He Cai

ORCID: 0000-0003-0890-8913 · 19 papers in corpus
observational 2026
Archives of gynecology and obstetrics ·doi:10.1007/s00404-026-08366-7

BACKGROUND: To investigate whether cured tuberculosis affect assisted reproductive outcomes in infertile women. METHODS: A retrospective cohort study was conducted to compare assisted reproductive outcomes between cured tuberculosis and no…

observational 2025
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
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 2024
Reproductive biology and endocrinology : RB&E ·doi:10.1186/s12958-024-01275-x

OBJECTIVE: This study aimed to evaluate the impact of adding 4 mg estradiol valerate to progesterone for luteal support on pregnancy rates in IVF cycles following a long protocol with reduced luteal serum estradiol levels post-hCG triggerin…

observational 2024
Journal of assisted reproduction and genetics ·doi:10.1007/s10815-024-03107-8

PURPOSE: To evaluate the embryological and pregnancy outcomes of women who failed in their first IVF treatment if they attempted a second cycle. METHODS: For evaluating the embryological outcomes, the study cohort included 1,227 women who …

other 2023
BMJ open ·doi:10.1136/bmjopen-2023-076390

BACKGROUND: Uterine contractions may interfere with embryo implantation in assisted reproductive technology. To reduce these contractions and improve success rates, the oxytocin antagonist atosiban has been suggested for administration duri…

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…

observational 2023
Frontiers in endocrinology ·doi:10.3389/fendo.2023.1133978

INTRODUCTION: In frozen-thawed embryo transfer (FET) cycles, hormone replacement treatment (HRT) was associated with a higher risk of hypertensive disorders of pregnancy (HDP) compared with natural cycles (NC). Multiple pregnancy was a risk…

observational 2023
Human fertility (Cambridge, England) ·doi:10.1080/14647273.2021.1981551

Subtle distal Fallopian tube abnormalities comprise a group of diseases that are characterised by subtle variations in tubal anatomy. This prospective cohort study investigated the prevalence of subtle distal Fallopian tube abnormalities in…

observational 2022
BMC pregnancy and childbirth ·doi:10.1186/s12884-022-05276-9

BACKGROUND: Plenty of studies explored the most optimal treatment protocol for infertile women with adenomyosis in in-vitro fertilization (IVF) /intracytoplasmic sperm injection (ICSI), however, there is still no consensus on which treatmen…

observational 2022
Reproductive BioMedicine Online ·doi:10.1016/j.rbmo.2022.07.017

RESEARCH QUESTION: What are conception rates and pregnancy outcomes after laparoscopic treatment of subtle distal tubal abnormalities among infertile women, and which factors relate to natural conception? DESIGN: Prospective cohort study (…

observational 2022
BMC women's health ·doi:10.1186/s12905-022-02062-9

BACKGROUND: Intracytoplasmic sperm injection (ICSI) is increasingly used among in vitro fertilization (IVF) cycles without male factor infertility. For couples with prolonged infertility duration, the preferred insemination method may vary …

observational 2022
BMC pregnancy and childbirth ·doi:10.1186/s12884-021-04342-y

BACKGROUND: Intrauterine insemination (IUI) treatment is recommended in subfertile women with AFS/ASRM stage I/II endometriosis. However, the efficacy of IUI in women with ovarian endometriomas with tubal patency is uncertain. We explored t…

observational 2021
·doi:10.21203/rs.3.rs-930037/v1

Abstract Background : Intrauterine insemination (IUI) treatment is recommended in subfertile women with AFS/ASRM stage I/II endometriosis. However, the efficacy of IUI in women with ovarian endometriomas with tubal patency is uncertain. We …

observational 2020
Journal of assisted reproduction and genetics ·doi:10.1007/s10815-020-01828-0

PURPOSE: To evaluate reproductive outcomes of artificial insemination and IVF with donor sperm (AID or IVF-D) for male-factor couples with a history of unsuccessful ICSI attempt. METHODS: This retrospective cohort includes couples with sev…

2020
·doi:10.1016/j.fertnstert.2020.08.1364
observational 2019
Medicine ·doi:10.1097/md.0000000000014957

Patients who undergo several in-vitro fertilization (IVF) treatment cycles and fail to conceive present a frustrating problem to the clinician. When 1 cycle of IVF treatment fails, should we offer the couples to choose additional cycle of I…

observational 2017
Archives of gynecology and obstetrics ·doi:10.1007/s00404-017-4390-0

OBJECTIVE: To investigate whether laparoscopic excision of ovarian endometriomas pretreated with operation by gynecologists or reproductive surgeons exerts different effects on in vitro fertilization-intracytoplasmic sperm injection results…