OOIR: Observatory of International Research

Papers

(The H4-Index of Andrology is 25. 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
Correction to ASA Meeting Abstracts 2023	85
Cryopreservation of equine spermatozoa reduces plasma membrane integrity and phospholipase C zeta 1 content as associated with oocyte activation	63
A homozygous loss‐of‐function mutation in CEP250 is associated with acephalic spermatozoa syndrome in humans	60
The impact of different WHO reference criteria for semen analysis in clinical practice: Who will benefit from the new 2021 thresholds for normal semen parameters?	55
The emergence of natural products as potential therapeutics for male infertility	49
A prospective study of semen quality and fecundability among North American couples planning pregnancy	42
Cortisol modulates Ca²⁺ signaling and acrosome reaction in human sperm	38
Contraceptive efficacy: Determining the threshold for effective suppression based on sperm concentration, motility, and morphology	38
Congenital male genital malformations and paternal health: An analysis of the US claims data	37
Optimum identification of round spermatid in men with non‐obstructive azoospermia: A commentary	36
Micro‐straw: An efficient cryopreservation carrier for rare human spermatozoa	35
Spontaneous alterations in semen parameters are associated with age, accessory gland function and the FSHB c.‐211G>T variant	34
Excessive androgen exposure and risk of malignancies: A cohort study	34
The impact of diabetes mellitus type 1 on male fertility: Systematic review and meta‐analysis	33
The efficacy of PDE5 inhibitors in diabetic patients	32
Genital gender‐affirming surgery trends in Germany: Total population data with 19,600 cases from 2006 to 2022	31
Influence of androgens on the innate immune system	31
A translation regulator that drives spermatogonial stem cell formation	30
Differential expression of metabolic enzymes in testicular germ cell tumors: The impact of glycolytic metabolism in embryonal carcinoma histotype	30
Cardiovascular safety of testosterone therapy—Insights from the TRAVERSE trial and beyond: A position statement of the European Expert Panel for Testosterone Research	29
Statutes of the European Academy of Andrology	28
Association between systemic immune inflammation index and serum testosterone and free testosterone in middle‐aged and elderly men	28
Preconception health indicators among adult US men: Race/ethnicity variations and temporal trends	26
Issue Information	26
The upregulation of tryptophan hydroxylase‐2 expression is important for premature ejaculation treatment with the selective serotonin reuptake inhibitor	25

Issue Information	25
PDE5is‐naïve versus non‐naïve patients at first investigation for erectile dysfunction—findings from a long‐term, real‐life cross‐sectional study	25