OOIR: Observatory of International Research

Papers

(The H4-Index of Reproductive Biology and Endocrinology is 30. 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 2021-10-01 to 2025-10-01.)

Article	Citations
Does hCG-trigger in the mild stimulation protocol for endometrial preparation have any effect on pregnancy outcome in frozen-thawed embryo transfer?	83
17α-Ethynylestradiol alters testicular epigenetic profiles and histone-to-protamine exchange in mice	67
The effects of first-line pharmacological treatments for reproductive outcomes in infertile women with PCOS: a systematic review and network meta-analysis	66
Serum anti-mullerian hormone levels and age among Samoan women	62
Triggering final follicular maturation for IVF cycles	55
The application of super-resolution ultrasound radiomics models in predicting the failure of conservative treatment for ectopic pregnancy	55
Melatonin supplementation attenuates cuproptosis and ferroptosis in aging cumulus and granulosa cells: potential for improving IVF outcomes in advanced maternal age	55
United States racial/ethnic disparities in PGT-A use: an analysis of 2014–2020 SART CORS database	51
Women with PCOS who undergo IVF: a comprehensive review of therapeutic strategies for successful outcomes	44
Assessment of artificial intelligence model and manual morphokinetic annotation system as embryo grading methods for successful live birth prediction: a retrospective monocentric study	43
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?	42
The effect of growth hormone on the metabolome of follicular fluid in patients with diminished ovarian reserve	42
MiR-326 inhibits trophoblast growth, migration, and invasion by targeting PAX8 via Hippo pathway	41
Proteomic analysis of extracellular vesicles secreted by primary human epithelial endometrial cells reveals key proteins related to embryo implantation	40
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	39
Exploring the potential benefits of growth hormone co-treatment on embryo quality in IVF: a randomized controlled open-label trial	38
Cleavage-stage human embryo arrest, is it embryo genetic composition or others?	37
Clinical outcome using the Q300™ device in a reproductive laboratory environment: an open-label, non-controlled and non-randomized study	37
Psychoactive drugs and male fertility: impacts and mechanisms	37
Decoding the molecular cascade of embryonic-uterine modulators in pregnancy loss of PCOS mother- an “in vivo” study	36
GnRH agonist pretreatment for frozen embryo transfer among women with polycystic ovary syndrome: a narrow systematic review and meta-analysis of randomized controlled trials	34
Diet normalization or caloric restriction as a preconception care strategy to improve metabolic health and oocyte quality in obese outbred mice	34
Circadian disruption impairs Leydig cell maturation and reproductive development in male rats	33
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	32
The optimal time for laparoscopic excision of ovarian endometrioma: a prospective randomized controlled trial	32

Correction to: The presence of partial compaction patterns is associated with lower rates of blastocyst formation, sub‑optimal morphokinetic parameters and poorer morphologic grade	32
An integrated multi-tissue approach for endometriosis candidate biomarkers: a systematic review	32
MiR-135a-5p suppresses trophoblast proliferative, migratory, invasive, and angiogenic activity in the context of unexplained spontaneous abortion	31
Melatonin ameliorates diabetic hyperglycaemia-induced impairment of Leydig cell steroidogenic function through activation of SIRT1 pathway	31
Growth differentiation factor-11 downregulates steroidogenic acute regulatory protein expression through ALK5-mediated SMAD3 signaling pathway in human granulosa-lutein cells	31
Three-dimensional culture models of human endometrium for studying trophoblast-endometrium interaction during implantation	30
Ovarian stimulation by promoting basal follicular growth	30
Hydrogen sulfide in placental development and pregnancy disorders: mechanisms, therapeutic potential, and translational challenges	30