OOIR: Observatory of International Research

Papers

(The H4-Index of Human Reproduction is 38. 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 2021-08-01 to 2025-08-01.)

Article	Citations
Insights into ovarian response with a fixed low dose FSH stimulation in an IUI programme: the PRORAILS study	193
Should we perform oocyte accumulation to preserve fertility in women with Turner syndrome? A multicenter study and systematic review of the literature	146
Measuring non-events: infertility estimation using cross-sectional, population-based data from four countries in sub-Saharan Africa	132
Avoid mixing apples and oranges: blastocysts diagnosed with uniform whole chromosome aneuploidies are reproductively incompetent and their transfer is harmful	105
Sperm aminopeptidase N identifies the potential for high-quality blastocysts and viable embryos in oocyte-donation cycles	102
Questionnaire-based screening of adolescents and young adult women can identify markers associated with endometriosis	87
Sperm sharing: as problematic as oocyte sharing?	82
Effects of letrozole cotreatment on endocrinology and follicle development in women undergoing ovarian stimulation in an antagonist protocol	82
Community awareness and use of anti-Müllerian hormone testing in Australia: a population survey of women	81
BMI in childhood and adolescence is associated with impaired reproductive function—a population-based cohort study from birth to age 50 years	76
Natural history of autologous sperm cryostorage	74
Prenatal exposure to airborne polychlorinated biphenyl congeners and male reproductive health	74
Predictors of self-compassion in endometriosis: the role of psychological health and endometriosis symptom burden	73
Does embryo quality at transfer affect obstetric outcomes and placental findings?	72
Breaking the ageing paradigm in endometrium: endometrial gene expression related to cilia and ageing hallmarks in women over 35 years	68
Reply: Non-inferior or not inferior, it is more than semantics	63
Standards in semen examination: publishing reproducible and reliable data based on high-quality methodology	61
Ovarian tissue cryopreservation can be combined simultaneously with oocyte retrieval after controlled ovarian hyperstimulation	61
Reply: The utilization of accurate body mass index classification is imperative for grouping based on BMI	59
Age-related fertility decline: is there a role for elective ovarian tissue cryopreservation?	58
We have reached a dead end for preimplantation genetic testing for aneuploidy	57
Attitudes and perceptions of affected women towards endocrine endometriosis therapy: an international survey based on free-word association networks	56
The expression and activity of Toll-like receptors in the preimplantation human embryo suggest a new role for innate immunity	54
The endometrial microbiota and early pregnancy loss	54
Two-year efficacy and safety of relugolix combination therapy in women with endometriosis-associated pain: SPIRIT open-label extension study	54

A novel multifunctional haplotyping-based preimplantation genetic testing for different genetic conditions	53
Applying a simplified economic evaluation approach to evaluate infertility treatments in clinical practice	53
Cytoskeletal and inter-cellular junction remodelling in endometrial organoids under oxygen–glucose deprivation: a new potential pathological mechanism for thin endometria	49
O-160 EuMAR pilot study: key findings and next steps	45
Eggsurance? A randomized controlled trial of a decision aid for elective egg freezing	45
P-004 Silymarin attenuates BPA-induced testicular endocrine and spermatogenesis disruption by inhibiting testicular iron accumulation and amyloidosis via the modulation of Nrf2/HO-1 and TLR4/NF-kB sig	44
O-015 Spontaneous alterations in semen parameters are associated with age, accessory gland function and the FSHB c.-211G>T variant	42
P-133 Cytoplasmic strings between inner cell mass and trophectoderm: novel predictors of euploid blastocysts’ implantation competence	42
O-215 Copper oxide nanoparticles (CuONPs) impairs mitophagy and promotes DNA methylation to suppress mouse embryonic pluripotency	42
P-309 Injectable “homing-like” bioactive short-fibers for endometrial repair and efficient live births	40
O-028 Small extracellular vesicles (sEV) in peritoneal fluid and peripheral blood as biomarkers of endometriosis	40
P-137 pronuclear characteristics and chromosomal constitutions of mono-pronuclear zygotes	40
P-547 Recurrent miscarriage and the risks of stroke and type II diabetes later in life: a Mendelian randomization analysis	39
P-253 Determination of age-specific diagnostic criteria for OZEMA (Oocyte/Zygote/Embryo Maturation Arrest) phenotypes based on 16,994 cycles	38