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 2021-09-01 to 2025-09-01.)

Article	Citations
Does hCG-trigger in the mild stimulation protocol for endometrial preparation have any effect on pregnancy outcome in frozen-thawed embryo transfer?	79
17α-Ethynylestradiol alters testicular epigenetic profiles and histone-to-protamine exchange in mice	67
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?	62
MiR-326 inhibits trophoblast growth, migration, and invasion by targeting PAX8 via Hippo pathway	55
The effect of growth hormone on the metabolome of follicular fluid in patients with diminished ovarian reserve	54
Serum anti-mullerian hormone levels and age among Samoan women	53
Melatonin supplementation attenuates cuproptosis and ferroptosis in aging cumulus and granulosa cells: potential for improving IVF outcomes in advanced maternal age	52
The application of super-resolution ultrasound radiomics models in predicting the failure of conservative treatment for ectopic pregnancy	47
The effects of first-line pharmacological treatments for reproductive outcomes in infertile women with PCOS: a systematic review and network meta-analysis	43
Proteomic analysis of extracellular vesicles secreted by primary human epithelial endometrial cells reveals key proteins related to embryo implantation	42
Women with PCOS who undergo IVF: a comprehensive review of therapeutic strategies for successful outcomes	41
Assessment of artificial intelligence model and manual morphokinetic annotation system as embryo grading methods for successful live birth prediction: a retrospective monocentric study	39
Single-cell transcriptome and cell-specific network analysis reveal the reparative effect of neurotrophin-4 in preantral follicles grown in vitro	39
United States racial/ethnic disparities in PGT-A use: an analysis of 2014–2020 SART CORS database	37
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	37
Triggering final follicular maturation for IVF cycles	37
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
Psychoactive drugs and male fertility: impacts and mechanisms	35
Recombinant follicular stimulating hormone plus recombinant luteinizing hormone versus human menopausal gonadotropins- does the source of LH bioactivity affect ovarian stimulation outcome?	35
The optimal time for laparoscopic excision of ovarian endometrioma: a prospective randomized controlled trial	34
UHPLC-MS-MS analysis of oxylipins metabolomics components of follicular fluid in infertile individuals with diminished ovarian reserve	33
Ovarian stimulation by promoting basal follicular growth	33
Decoding the molecular cascade of embryonic-uterine modulators in pregnancy loss of PCOS mother- an “in vivo” study	32
Exploring the potential benefits of growth hormone co-treatment on embryo quality in IVF: a randomized controlled open-label trial	31
Correction to: The presence of partial compaction patterns is associated with lower rates of blastocyst formation, sub‑optimal morphokinetic parameters and poorer morphologic grade	31

Growth differentiation factor-11 downregulates steroidogenic acute regulatory protein expression through ALK5-mediated SMAD3 signaling pathway in human granulosa-lutein cells	31
GnRH agonist pretreatment for frozen embryo transfer among women with polycystic ovary syndrome: a narrow systematic review and meta-analysis of randomized controlled trials	30
MiR-135a-5p suppresses trophoblast proliferative, migratory, invasive, and angiogenic activity in the context of unexplained spontaneous abortion	30
Circadian disruption impairs Leydig cell maturation and reproductive development in male rats	30
Clinical outcome using the Q300™ device in a reproductive laboratory environment: an open-label, non-controlled and non-randomized study	30
An integrated multi-tissue approach for endometriosis candidate biomarkers: a systematic review	30