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This study found that a regimen combining cyproterone acetate and testosterone buciclate induced reversible azoospermia in bonnet monkeys, highlighting its potential as an effective male contraceptive.

In this study, treatment with finasteride altered the expression patterns of antioxidant enzymes in the epididymis of rats, potentially affecting its protective function for spermatozoa.

This case report describes two infertile patients who experienced significant improvements in sperm concentrations six months after stopping finasteride.

In this study, three cases of young men using finasteride for five years showed altered sperm morphology and motility issues, with partial improvement observed after discontinuation.

This case report described a 39-year-old male with 47XXY/46XX mosaic Klinefelter syndrome who presented with common features of the condition and male pattern baldness seen in his family.

This animal study found that testosterone treatment increased vas deferens fluid secretion rate in rats, with potential implications for male fertility through the upregulation of AQP-1, 2, and 9 proteins.

This study found that ZP4 expression was highest among PCOS patients with regular menstrual cycles, which may be linked to mature follicle presence, but no correlation with clinical indices was observed.

In this study, autologous intratesticular PRP injection was found to be a feasible and well-tolerated procedure with low complication rates and quick recovery, but the authors indicated that current evidence is insufficient to confirm its effectiveness for mTESE.

This study found that zinc deficiency in goats led to lower plasma zinc levels, decreased growth rate, smaller testicles, reduced libido, and was associated with higher mortality compared to control goats.

This case report documents the first use of clomiphene citrate to potentially improve fertility in a man taking finasteride, highlighting sperm count issues associated with the medication.

This review discusses various substances that can impact male fertility and stresses that products should be confirmed 'sperm-safe' through rigorous testing, not assumptions; it reports no new study results.

This study identified a new Demodex species causing demodicosis in a zoo koala, successfully treated with daily oral ivermectin.

This case study of a subfertile couple highlighted the importance of considering haemochromatosis, particularly involving the C282Y mutation of the HFE gene, in patients with endocrine disorders linked to hypogonadism.

This study reported significant improvements in sperm concentration in two cases of azoospermia and severe oligospermia after discontinuing finasteride 1 mg used for hair loss.

This article reviews current approaches to diagnosing and managing haematospermia and reports no new clinical outcomes, highlighting its rare association with malignancy in younger populations.

This study found that finasteride administration in hamsters led to significant spermatogenesis reduction and seminiferous tubule atrophy compared to the control group.

Finasteride discontinuation increases sperm count in men.

This study found that discontinuing finasteride led to a significant increase in sperm counts for most men with reduced fertility, though hormone levels and other semen parameters remained unchanged.

This study reports that a young man with severe testotoxicosis maintained spontaneous fertility despite suppressed FSH levels, underscoring the importance of high intratesticular testosterone levels for spermatogenesis.

This review discusses various genetic and acquired skin diseases that can affect male fertility, highlighting the clinical management challenges and reports no new research findings.

This study found that SARS-CoV-2 infection was associated with significant upregulation of miR-371a-3p in testicular tissues and serum, leading to androgen receptor downregulation and decreased spermatogenesis in patients.

This study observed that men with a family history of PCOS had lower median sperm concentration and higher rates of alopecia and gynecomastia compared to those without such a family history.

This study concluded that transurethral seminal vesiculoscopy combined with finasteride is a safe and effective treatment for recurrent hemospermia in the observed patients.

This case report describes an extremely rare instance of seminoma in an adult with SRY-negative 46,XX testicular disorder of sex development, uniquely presenting as acute abdomen due to gonadal torsion.

This review examines the impact of biotin, vitamin B12, and zinc on male reproduction, emphasizing their role in spermatogenic failure, but reports no new clinical results.

This study found that finasteride may affect Ca 2+ signalling in human sperm by interacting with the PGE 1 -binding site, but its impact on fertilization requires further investigation.

This study found that combining cyproterone acetate with testosterone enanthate was highly effective in suppressing spermatogenesis, suggesting potential as a reversible male contraceptive method.

This study observed that many couples in North America undergo IUI or IVF for male infertility without specialized male factor evaluations, potentially overlooking reversible causes.