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 2021-07-01 to 2025-07-01.)

Article	Citations
Single-cell transcriptome and cell-specific network analysis reveal the reparative effect of neurotrophin-4 in preantral follicles grown in vitro	71
Does hCG-trigger in the mild stimulation protocol for endometrial preparation have any effect on pregnancy outcome in frozen-thawed embryo transfer?	61
17α-Ethynylestradiol alters testicular epigenetic profiles and histone-to-protamine exchange in mice	58
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?	51
Proteomic analysis of extracellular vesicles secreted by primary human epithelial endometrial cells reveals key proteins related to embryo implantation	51
MiR-326 inhibits trophoblast growth, migration, and invasion by targeting PAX8 via Hippo pathway	44
The effect of growth hormone on the metabolome of follicular fluid in patients with diminished ovarian reserve	42
Serum anti-mullerian hormone levels and age among Samoan women	42
Assessment of artificial intelligence model and manual morphokinetic annotation system as embryo grading methods for successful live birth prediction: a retrospective monocentric study	40
The effects of first-line pharmacological treatments for reproductive outcomes in infertile women with PCOS: a systematic review and network meta-analysis	40
Triggering final follicular maturation for IVF cycles	40
Women with PCOS who undergo IVF: a comprehensive review of therapeutic strategies for successful outcomes	39
United States racial/ethnic disparities in PGT-A use: an analysis of 2014–2020 SART CORS database	39
Melatonin supplementation attenuates cuproptosis and ferroptosis in aging cumulus and granulosa cells: potential for improving IVF outcomes in advanced maternal age	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	35
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	34
Recombinant follicular stimulating hormone plus recombinant luteinizing hormone versus human menopausal gonadotropins- does the source of LH bioactivity affect ovarian stimulation outcome?	33
An integrated multi-tissue approach for endometriosis candidate biomarkers: a systematic review	33
Melatonin ameliorates diabetic hyperglycaemia-induced impairment of Leydig cell steroidogenic function through activation of SIRT1 pathway	33
Ovarian stimulation by promoting basal follicular growth	32
Decoding the molecular cascade of embryonic-uterine modulators in pregnancy loss of PCOS mother- an “in vivo” study	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
Growth differentiation factor-11 downregulates steroidogenic acute regulatory protein expression through ALK5-mediated SMAD3 signaling pathway in human granulosa-lutein cells	31
Exploring the potential benefits of growth hormone co-treatment on embryo quality in IVF: a randomized controlled open-label trial	31
Roles of noncoding RNAs in preeclampsia	31

MiR-135a-5p suppresses trophoblast proliferative, migratory, invasive, and angiogenic activity in the context of unexplained spontaneous abortion	30
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
Clinical outcome using the Q300™ device in a reproductive laboratory environment: an open-label, non-controlled and non-randomized study	30
More blastocysts are produced from fewer oocytes in ICSI compared to IVF – results from a sibling oocytes study and definition of a new key performance indicator	30
Impact of human papillomavirus infection on semen parameters and reproductive outcomes	30