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This study suggests that finasteride at doses of 5 mg/kg BW or higher may adversely affect spermatogenesis and male fertility in NMRI mice.

This review discusses the risk factors and implications of sperm aneuploidy in males, and it reports no new clinical results; the authors highlight the importance of personalized assessment in assisted reproduction.

This document by the AACE and AES provides a 2015 summary of best practices for diagnosing and managing PCOS, emphasizing clinical assessment and treatment options but reports no new clinical results.

This study found that zinc is primarily located in the tails of mature rat sperm, associated with -S-S-bonded structures, and suggests a possible similarity in zinc interactions between sperm keratin and hair proteins.

This study found that chronic exposure to finasteride did not significantly impact spermatogenesis in rats.

This review discusses the biology of spermatogenesis and male reproductive toxicology but reports no new research findings.

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 found that early life stress significantly affects hedonic sensitivity to high-palatable food by altering gonadal hormones in prenatally-stressed male and female rats, with sex-dependent changes in reward-related behaviors and neurochemistry.

This review discusses consensus guidelines for the use of acitretin in psoriasis, highlighting its ongoing utility in both mono and combination therapies, despite not always being recognized in treatment guidelines.

This review examines the diverse roles of SRD5α enzymes across species, focusing on their involvement in steroid synthesis, sexual development, and various physiological processes, but reports no new clinical results.

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

This study found that Origanum vulgare extract improved testicular structure and function in mice against finasteride-induced damage by enhancing antioxidant defense and modulating gene expression related to apoptosis.

This study found that administering Neem ethanol extract to pregnant and lactating rats did not cause developmental abnormalities or toxicity in the offspring at tested doses.

This systematic review found significant associations between skin disorders like polycystic ovarian syndrome, dermatomyositis, atopic dermatitis, and leprosy with infertility, noting a lack of significant findings for systemic sclerosis.

Minoxidil is the only FDA-approved topical drug for treating male or female pattern hair loss, and other medications like finasteride and dutasteride can also increase hair growth.

Researchers observed that dutasteride and finasteride caused structural changes in the penises of both control and hypertensive rats, with dutasteride having a more pronounced effect on the corpus cavernosum.

Seminal bacteria can lower sperm quality in subfertile men.

This review suggests that brassinosteroids may have similar biological activities in both plants and other organisms, prompting further exploration of steroid regulation mechanisms across different life forms.

This study found that women with polycystic ovary syndrome had significantly higher serum lactate dehydrogenase levels and lower levels of cortisol, dopamine, zinc, and vitamin D3 compared to healthy controls.

This review discusses the flexibility and diversity of tissue stem cell systems, particularly focusing on the motility and ligand distribution of spermatogenic stem cells, without presenting new experimental results.

This study found that salivary testosterone levels were significantly lower in oligospermic and azoospermic men compared to normal men, suggesting its potential use in assessing male androgen status.

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 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 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 provides insights into how chronic T. gondii infection might affect testicular tissue and suggests a potential impact on male fertility.

This study reported a marginally lower sperm retrieval rate using micro-testicular sperm extraction (m-TESE) among nonmosaic Klinefelter Syndrome patients compared to existing literature, with younger patients benefitting more significantly from the procedure.

This review discusses the structure and function of the testes in male reproduction and development, noting the complex hormonal regulation within the hypothalamic-pituitary-gonadal axis but reports no new clinical results.

This study suggests that a mild intramuscular dose of botulinum toxin improved spermatogenesis and sperm parameters in ageing mice.

In this study, researchers analyzed spermogram data from men with diagnosed infertility in Ukraine, aiming to identify the most common sperm disorders, and they found that the study primarily involved men with primary infertility, compared to a control group of healthy men with confirmed fertility.