OOIR: Observatory of International Research

Papers

(The H4-Index of Human Reproduction is 40. 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 2022-05-01 to 2026-05-01.)

Article	Citations
P-773 The absence and heterogeneity of pregnancy outcome definitions in randomized controlled trials of infertility: an overview of the literature	238
Community awareness and use of anti-Müllerian hormone testing in Australia: a population survey of women	171
P-003 Sperm retrieved by microdissection testicular sperm extraction (MD-TESE) is associated with altered sex ratio of offspring after intracytoplasmic sperm injection in men with non-obstructive azoo	124
Sperm aminopeptidase N identifies the potential for high-quality blastocysts and viable embryos in oocyte-donation cycles	124
Effects of letrozole cotreatment on endocrinology and follicle development in women undergoing ovarian stimulation in an antagonist protocol	118
Natural history of autologous sperm cryostorage	113
Eggsurance? A randomized controlled trial of a decision aid for elective egg freezing	113
Does embryo quality at transfer affect obstetric outcomes and placental findings?	112
Maternal polycystic ovarian syndrome and offspring psychopathology and neurodevelopment	112
Attitudes and perceptions of affected women towards endocrine endometriosis therapy: an international survey based on free-word association networks	97
A novel multifunctional haplotyping-based preimplantation genetic testing for different genetic conditions	86
Ovarian tissue cryopreservation can be combined simultaneously with oocyte retrieval after controlled ovarian hyperstimulation	85
Cytoskeletal and inter-cellular junction remodelling in endometrial organoids under oxygen–glucose deprivation: a new potential pathological mechanism for thin endometria	85
Reply: Non-inferior or not inferior, it is more than semantics	82
P-622 Prospectively randomized study of intraovarian injections of autologous platelet-rich plasma (PRP) into one alternating ovary in Primary Ovarian Insufficiency (POI)	76
O-026 Development of deep learning-based model for differential diagnosis of ovarian neoplasm using pelvic ultrasonography	64
O-096 Effect of Day-3 embryo morphology on blastocyst quality and ploidy: a machine-learning model of 34781 embryos	61
O-242 ADAPT-1: A multicentre, randomised, assessor-blind comparison of ovarian stimulation with follitropin delta versus follitropin alfa for in vitro fertilisation using conventional dosing regimens	59
O-021 Levothyroxine in Euthyroid Thyroid Peroxidase Antibody positive Women with Recurrent Pregnancy Loss: a multicentre, randomised, double-blind trial (T4LIFE trial)	57
P-620 Hormone replacement therapy with GnRH agonist pretreatment improves pregnancy outcomes in patients with previous intrauterine adhesions	57
O-288 Implantation, ultrastructure and metabolic profiling of embryos from PGT-M and PGT-A Cycles	54
O-112 Fertility awareness: Educating the teenagers in europe	53
P-290 Isolation and characterization of extracellular vesicles from human endometrial organoids	50
P-438 Fertility outcomes in male cancer recipients of hematopoietic cell transplantation who stored their semen for fertility preservation	50
P-572 Hormonal Monitoring and Progesterone Adjustment in Frozen Embryo Transfer Cycles	49

O-158 The evolution of the quality of life of women and men during the fertility clinic trajectory: a longitudinal survey	47
P-640 Impact of adding oral dydrogesterone (OD) in patients with low serum progesterone (P) levels in artificially prepared frozen embryo transfer cycles (FET-HRT)	47
P-690 Time to bust some myths about progesterone supplementation in the luteal phase. Role of the route of administration and usefulness (or uselessness) of plasma determination	46
O-004 Male and female blastocysts display differences in development such that embryos assigned an identical morphological grade may have differing viability dependent on their sex	46
P-376 Oocyte accumulation program in young women at high risk of ovarian injury due to endometriomas or benign ovarian tumors: intermediate results from a prospective study	45
P-337 Does Endometriosis Have More Detrimental Effect on Ovarian Reserve in the Presence of Autoimmunity? A Prospective Observational Study	45
P-339 Activities and changes in the number of natural killer cells in endometriosis: systematic review and meta-analysis	43
P-507 Evaluating quantitative PCR for vaginal microbiome profiling: a high-accuracy, low-cost alternative to sequencing for research and clinical applications	42
P-496 “The plethora of information can be overwhelming…”: A mixed methods study exploring the sources of fertility information	42
P-682 Androgen and Inhibin B levels during ovarian stimulation before and after eight weeks of low dose hCG priming in women with low ovarian reserve	41
P-531 Effectiveness and safety of uterine septum division: An updated systematic review and meta-analysis	41
O-076 Novel method to enhance preantral follicle growth by granulocyte colony-stimulating factor administration improves embryos and pregnancy rate in poor ovarian reserve: a randomized controlled tri	41
P-641 Physicians’ practices towards hormone monitoring during ovarian stimulation in context of treatment with Assisted Reproductive Technology (ART). A global Survey conducted through IVFworldwide.co	40
P-193 Prediction of blastocyst ploidy from 2,438 images of mature oocytes using an artificial intelligence (AI)-based algorithm: a validation study	40
P-198 Evolution of artificial intelligence-based embryo selection models: a massive external validation on 70,456 embryos	40
P-394 Peripheral and uterine natural killer cell cut-off levels and their correlation in fertile controls and women with unexplained recurrent implantation failure (RIF)	40
P-704 Distinctive proteomic profiling and pathway analysis of plasma extracellular vesicles provided clues for their regulatory roles in the pathogenesis of polycystic ovarian syndrome	40