OOIR: Observatory of International Research

Papers

(The H4-Index of Reproductive Biology and Endocrinology is 28. 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 2021-05-01 to 2025-05-01.)

Article	Citations
The effects of first-line pharmacological treatments for reproductive outcomes in infertile women with PCOS: a systematic review and network meta-analysis	109
Analysis of in vitro fertilization/intracytoplasmic sperm injection outcomes in infertile women with a history of thyroid cancer: a retrospective study	63
Single-cell transcriptome and cell-specific network analysis reveal the reparative effect of neurotrophin-4 in preantral follicles grown in vitro	57
Does hCG-trigger in the mild stimulation protocol for endometrial preparation have any effect on pregnancy outcome in frozen-thawed embryo transfer?	51
17α-Ethynylestradiol alters testicular epigenetic profiles and histone-to-protamine exchange in mice	48
Melatonin supplementation attenuates cuproptosis and ferroptosis in aging cumulus and granulosa cells: potential for improving IVF outcomes in advanced maternal age	47
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?	45
The effect of growth hormone on the metabolome of follicular fluid in patients with diminished ovarian reserve	40
Assessment of artificial intelligence model and manual morphokinetic annotation system as embryo grading methods for successful live birth prediction: a retrospective monocentric study	40
MiR-326 inhibits trophoblast growth, migration, and invasion by targeting PAX8 via Hippo pathway	39
Serum anti-mullerian hormone levels and age among Samoan women	38
Proteomic analysis of extracellular vesicles secreted by primary human epithelial endometrial cells reveals key proteins related to embryo implantation	38
Triggering final follicular maturation for IVF cycles	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	36
Women with PCOS who undergo IVF: a comprehensive review of therapeutic strategies for successful outcomes	36
The optimal time for laparoscopic excision of ovarian endometrioma: a prospective randomized controlled trial	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	35
UHPLC-MS-MS analysis of oxylipins metabolomics components of follicular fluid in infertile individuals with diminished ovarian reserve	33
Cumulative live birth rates between GnRH-agonist long and GnRH-antagonist protocol in one ART cycle when all embryos transferred: real-word data of 18,853 women from China	32
Cleavage-stage human embryo arrest, is it embryo genetic composition or others?	31
Melatonin ameliorates diabetic hyperglycaemia-induced impairment of Leydig cell steroidogenic function through activation of SIRT1 pathway	31
Diet normalization or caloric restriction as a preconception care strategy to improve metabolic health and oocyte quality in obese outbred mice	30
Recombinant follicular stimulating hormone plus recombinant luteinizing hormone versus human menopausal gonadotropins- does the source of LH bioactivity affect ovarian stimulation outcome?	30
Decoding the molecular cascade of embryonic-uterine modulators in pregnancy loss of PCOS mother- an “in vivo” study	30
Exploring the potential benefits of growth hormone co-treatment on embryo quality in IVF: a randomized controlled open-label trial	29

Ovarian stimulation by promoting basal follicular growth	29
The effects of Vitamin D3 supplementation on Spermatogram and endocrine factors in asthenozoospermia infertile men: a randomized, triple blind, placebo-controlled clinical trial	29
Correction to: The presence of partial compaction patterns is associated with lower rates of blastocyst formation, sub‑optimal morphokinetic parameters and poorer morphologic grade	29
GnRH agonist pretreatment for frozen embryo transfer among women with polycystic ovary syndrome: a narrow systematic review and meta-analysis of randomized controlled trials	28
Growth differentiation factor-11 downregulates steroidogenic acute regulatory protein expression through ALK5-mediated SMAD3 signaling pathway in human granulosa-lutein cells	28
Roles of noncoding RNAs in preeclampsia	28