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Finasteride causes sperm production decrease in Mesocricetus auratus.

Finasteride daily doesn't affect sperm production or semen in young men.

DHT affects testicular development and regulates spermatogenesis in some fish.

Dutasteride does not seem to change rat spermatogenesis or oxidative stress.

The testes control steroid production through complex interactions involving various cells and signaling molecules.

The document explains how the male reproductive system works, its role in making testosterone, and how conditions like obesity can disrupt it, leading to low testosterone and fertility issues.

Men with coeliac disease may have hormone imbalances that could affect sexual function, but these can improve with better gut health.

The combination of cyproterone acetate and testosterone enanthate is highly effective in preventing sperm production and could be a good reversible male contraceptive.

Finasteride may worsen infertility in men with existing issues, but stopping it can improve sperm health.

New male hormonal contraceptives show promise but need more research on long-term effects and funding for larger trials.

Finasteride may negatively affect male fertility.

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.

COVID-19 may harm male fertility and damage the reproductive system.

Finasteride treatment in male rats can reduce fertility and affect sperm development in their offspring.

Environmental factors and exposure to toxins may contribute to male infertility by affecting sperm and hormone function.

The document explains how sperm cells are produced, the role of testosterone in this process, and how toxins can reduce sperm count and fertility.

Understanding genes and hormones is crucial for managing male puberty and sex development disorders.

Finasteride reduces sperm count and quality and alters hormone levels in mice.

Hormonal male contraception is effective and could be market-ready, but more research is needed to ensure safety for all ethnic groups.

Cyproterone acetate is used to treat conditions like prostate cancer, early puberty, excessive sexual drive, and female androgenization by blocking male sex hormones.

Testosterone is important for male sexual traits, reproduction, muscle and bone health, blood production, and metabolism, and works both directly and after being changed into other hormones.

SHISA6 helps maintain certain stem cells in mouse testes by blocking signals that would otherwise cause them to differentiate.

Selective Androgen Receptor Modulators (SARMs) are drugs that can control the effects of androgens in different tissues, potentially having fewer side effects and promising for treating various conditions.

Abusing steroids can damage your heart, muscles, reproductive system, liver, skin, and brain, and may increase the risk of Alzheimer's disease.

The document explains how male reproductive hormones work and affect the body.

Dihydrotestosterone and 5α-Reductase play a role in hair loss and prostate health, and finasteride can increase hair growth in men without affecting sperm production, but it doesn't work for postmenopausal women with hair loss.

Antiandrogens affect androgen-dependent body functions and are used for various medical conditions, with some risks like fetus feminization, but new forms like 17α-propylmesterolone show promise for acne without systemic effects.

The new progesterone derivatives effectively inhibit 5α-reductase and bind to the androgen receptor.