research Morphology of the testis and the epididymis in rats with dihydrotestosterone (DHT) deficiency.
DHT deficiency in rats reduces sperm content and affects testis structure over time.
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30-60 / 646 resultsresearch Fertility and sexual life of men after their forties and in older age.
Men's fertility and sexual health decline with age, with reduced testosterone and virility, and many lose fertility by their eighties.
research Male hormonal contraception: looking back and moving forward
New male hormonal contraceptives show promise but need more research on long-term effects and funding for larger trials.
research Spermatozoa and Chronic Treatment with Finasteride: A TEM and FISH Study
Finasteride may negatively affect male fertility.
research COVID-19 and andrology: Recommendations of the French-speaking society of andrology (Société d’Andrologie de langue Française SALF)
Wait 3 months after COVID-19 before trying assisted reproduction and further research is needed on COVID-19's effects on male hormones and fertility.
research The probable destructive mechanisms behind COVID-19 on male reproduction system and fertility
COVID-19 may harm male fertility and damage the reproductive system.
research Evaluation of the effect of injection of dutasteride as mesotherapeutic tool in treatment of androgenetic alopecia in males
Dutasteride mesotherapy helps treat male hair loss but may harm sperm and sexual function.
research Androgen levels and apoptosis in the testis during postnatal development of finasteride-treated male rat offspring
Finasteride treatment in male rats can reduce fertility and affect sperm development in their offspring.
research Role of 5α-dihydrotestosterone in testicular development of gilthead seabream following finasteride administration
DHT affects testicular development and regulates spermatogenesis in some fish.
research Evaluación genotóxica del D-004 en el ensayo de la morfología de la cabeza del espermatozoide en ratones OF-1
D-004 did not harm sperm cells in mice.
research COVID-19 Infection Induce miR-371a-3p Upregulation Resulting in Influence on Male Fertility
COVID-19 may harm male fertility by affecting sperm production.
research Physiology of Testicular Function
The testes produce sperm and hormones essential for male development.
research Origanum vulgareL. leaves extract alleviates testis and sperm damages induced by finasteride: Biochemical, Immunohistological and apoptosis genes based evidences
Oregano extract helps fix testis and sperm damage caused by finasteride.
research Endocrine Functions of the Testes
The testes produce important hormones like testosterone and others that play key roles in male body functions.
research Spontaneous fertility in a male patient with testotoxicosis despite suppression of FSH levels
A man with testotoxicosis was fertile despite low FSH levels, suggesting high testosterone may allow sperm production without FSH.
research Connexin 43 expression in the testes during postnatal development of finasteride-treated male rat offspring
Finasteride treatment changes Cx43 in rat testes, possibly causing fertility issues.
research Puberty induction with recombinant gonadotropin: What impact on future fertility?
Recombinant gonadotropins improve future fertility in CHH patients.
research Role of Environmental Factors and Gonadotoxin Exposure in Unexplained Male Infertility
Environmental factors and exposure to toxins may contribute to male infertility by affecting sperm and hormone function.
research Reproductive System, Male
The document explains how sperm cells are produced, the role of testosterone in this process, and how toxins can reduce sperm count and fertility.
research Finasteride and male fertility
Finasteride may decrease semen quality but not harm sperm production, and stopping the drug can improve semen quality; hyperprolactinemia can cause infertility but is treatable with medication.
research Latest advances in oral hormonal male contraception: efficacy, mechanisms of action, and future perspectives
New male contraceptive pills show promise in reducing sperm production with mild side effects.
research Finasteride in Young Men: Effects on Semen and Hormones?
Finasteride improves hair but may reduce sperm quality at higher doses.
research Dose–Response Effects of Oral Melatonin on Reproductive Parameters in Intact Male Pomeranian Dogs With Alopecia X: A Controlled Study
Melatonin improved reproductive function in male Pomeranian dogs with Alopecia X, but more research is needed.
research SUN-208 Rare Case of 47XXY/46XX Mosaic Klinefelter Syndrome
Mosaic Klinefelter syndrome can affect male fertility and may be missed in routine tests.
research Physiology of Male Gonadotropic Axis and Disorders of Sex Development
Understanding genes and hormones is crucial for managing male puberty and sex development disorders.
research Delayed Puberty
A 19-year-old male with delayed puberty was successfully treated for a condition that prevents normal hormone production.
research Androgen Signaling in Sertoli Cells
Androgens regulate Sertoli cells and affect fertility through specific receptors and coregulators.
research Fertility and sexual life of men after their forties and in older age
Men's fertility and sexual health decline with age, but some remain fertile into their eighties.
research Spontaneous Lesions of Endangered Geriatric Julia Creek Dunnarts (Sminthopsis douglasi, Archer 1979) with Emphasis in Reproductive Pathology
Geriatric Julia Creek dunnarts often suffer from reproductive and skin diseases, impacting conservation efforts.
research The Effect of Finasteride on the Secretion of Testosterone, DHT, LH, FSH and Tissue Factors in the Testis of NMRI Mice:
Finasteride reduces sperm count and quality and alters hormone levels in mice.