OOIR: Observatory of International Research

Papers

(The H4-Index of Reproductive Biology and Endocrinology is 25. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-02-01 to 2025-02-01.)

Article	Citations
Factors affecting biochemical pregnancy loss (BPL) in preimplantation genetic testing for aneuploidy (PGT-A) cycles: machine learning-assisted identification	107
In vitro fertilization with frozen embryo transfer increased histamine-mediated contractile sensitivity via PKCβ in human umbilical vein	51
High incidence of sexual dysfunction and timed intercourse was found only in infertile males who with known impairment of sperm quality for a long period: evidence from a hospital-based cross-sectiona	46
Who freezes her eggs and why? psychological predictors, reasons, and outcomes of social egg freezing	46
Cumulative live birth rates after IVF/ICSI cycles with sperm prepared by density gradient centrifugation vs. swim-up: a retrospective study using a propensity score-matching analysis	39
Circulating Anti-Müllerian hormone in a cohort-study of women with severe obesity with and without polycystic ovary syndrome and the effect of a one-year weight loss intervention	38
Does growth hormone supplementation of in vitro fertilization/intracytoplasmic sperm injection improve cumulative live birth rates in women with poor embryonic development in the previous cycle?	35
Efficacy of granulocyte colony-stimulating factor for infertility undergoing IVF: a systematic review and meta-analysis	33
Association between clinical and IVF laboratory parameters and miscarriage after single euploid embryo transfers	31
Novel bi-allelic MSH4 variants causes meiotic arrest and non-obstructive azoospermia	31
The construction of machine learning-based predictive models for high-quality embryo formation in poor ovarian response patients with progestin-primed ovarian stimulation	31
Expression of tissue factor and tissue factor pathway inhibitors during ovulation in rats: a relevance to the ovarian hyperstimulation syndrome	31
Involvement of impaired CD8+ mucosal-associated invariant T cells and myeloid-derived suppressor cells in polycystic ovary syndrome	30
MiR-326 inhibits trophoblast growth, migration, and invasion by targeting PAX8 via Hippo pathway	30
The true natural cycle frozen embryo transfer - impact of patient and follicular phase characteristics on serum progesterone levels one day prior to warmed blastocyst transfer	30
hUCMSCs reduce theca interstitial cells apoptosis and restore ovarian function in premature ovarian insufficiency rats through regulating NR4A1-mediated mitochondrial mechanisms	29
Anticentromere antibody induced by immunization with centromere protein and Freund’s complete adjuvant may interfere with mouse early-stage embryo	29
Thyroid hormone transport and metabolism are disturbed in the placental villi of miscarriage	28
Anti-mullerian hormone levels before and after ovarian drilling in polycystic ovary syndrome: has this an effect on fertility?	27
Circulating noncoding RNAs as early predictive biomarkers in preeclampsia: a diagnostic meta-analysis	27
Protective effect of melatonin on alleviating early oxidative stress induced by DOX in mice spermatogenesis and sperm quality maintaining	26
Age-specific cut-off levels of anti-Müllerian hormone can be used as diagnostic markers for polycystic ovary syndrome	26
Assessment of artificial intelligence model and manual morphokinetic annotation system as embryo grading methods for successful live birth prediction: a retrospective monocentric study	26
Outpatient hysteroscopy impact on subsequent assisted reproductive technology: a systematic review and meta-analysis in patients with normal transvaginal sonography or hysterosalpingography images	25
Association of insulin resistance with polycystic ovary syndrome phenotypes and patients’ characteristics: a cross-sectional study in Iran	25