OOIR: Observatory of International Research

Papers

(The H4-Index of Reproductive Biology and Endocrinology is 31. 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 2021-11-01 to 2025-11-01.)

Article	Citations
Does hCG-trigger in the mild stimulation protocol for endometrial preparation have any effect on pregnancy outcome in frozen-thawed embryo transfer?	90
17α-Ethynylestradiol alters testicular epigenetic profiles and histone-to-protamine exchange in mice	71
Assessment of artificial intelligence model and manual morphokinetic annotation system as embryo grading methods for successful live birth prediction: a retrospective monocentric study	69
Women with PCOS who undergo IVF: a comprehensive review of therapeutic strategies for successful outcomes	65
Serum anti-mullerian hormone levels and age among Samoan women	59
The application of super-resolution ultrasound radiomics models in predicting the failure of conservative treatment for ectopic pregnancy	58
United States racial/ethnic disparities in PGT-A use: an analysis of 2014–2020 SART CORS database	56
The effect of growth hormone on the metabolome of follicular fluid in patients with diminished ovarian reserve	54
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?	46
Proteomic analysis of extracellular vesicles secreted by primary human epithelial endometrial cells reveals key proteins related to embryo implantation	45
MiR-326 inhibits trophoblast growth, migration, and invasion by targeting PAX8 via Hippo pathway	45
Melatonin supplementation attenuates cuproptosis and ferroptosis in aging cumulus and granulosa cells: potential for improving IVF outcomes in advanced maternal age	43
The effects of first-line pharmacological treatments for reproductive outcomes in infertile women with PCOS: a systematic review and network meta-analysis	42
Triggering final follicular maturation for IVF cycles	42
E2 level > 2950 pg/ml on hCG trigger day is an independent predictor for birthweight loss of full-term singletons born after fresh embryo transfers in non-PCOS patients	41
Between evidence and expectation: a retrospective cohort study on chronic endometritis in repeated implantation failure and recurrent pregnancy loss	41
Exploring the potential benefits of growth hormone co-treatment on embryo quality in IVF: a randomized controlled open-label trial	40
Clinical outcome using the Q300™ device in a reproductive laboratory environment: an open-label, non-controlled and non-randomized study	40
Decoding the molecular cascade of embryonic-uterine modulators in pregnancy loss of PCOS mother- an “in vivo” study	37
GnRH agonist pretreatment for frozen embryo transfer among women with polycystic ovary syndrome: a narrow systematic review and meta-analysis of randomized controlled trials	36
The association between serum testosterone level and congestive heart failure in US male adults: data from National Health and Nutrition Examination Survey (NHANES) 2011–2016	36
Recombinant follicular stimulating hormone plus recombinant luteinizing hormone versus human menopausal gonadotropins- does the source of LH bioactivity affect ovarian stimulation outcome?	34
Correction to: The presence of partial compaction patterns is associated with lower rates of blastocyst formation, sub‑optimal morphokinetic parameters and poorer morphologic grade	34
The optimal time for laparoscopic excision of ovarian endometrioma: a prospective randomized controlled trial	33
Psychoactive drugs and male fertility: impacts and mechanisms	32

Circadian disruption impairs Leydig cell maturation and reproductive development in male rats	32
An integrated multi-tissue approach for endometriosis candidate biomarkers: a systematic review	32
Hydrogen sulfide in placental development and pregnancy disorders: mechanisms, therapeutic potential, and translational challenges	32
MiR-135a-5p suppresses trophoblast proliferative, migratory, invasive, and angiogenic activity in the context of unexplained spontaneous abortion	32
Growth differentiation factor-11 downregulates steroidogenic acute regulatory protein expression through ALK5-mediated SMAD3 signaling pathway in human granulosa-lutein cells	31
Cleavage-stage human embryo arrest, is it embryo genetic composition or others?	31
Diet normalization or caloric restriction as a preconception care strategy to improve metabolic health and oocyte quality in obese outbred mice	31
Ovarian stimulation by promoting basal follicular growth	31