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Infertile men are more likely to produce sperm with abnormal chromosome numbers, which can affect pregnancy success and embryo health.

Brothers of women with PCOS tend to have higher levels of a hormone called DHEAS, indicating a possible genetic link.

A woman's high testosterone and related symptoms were caused by overactive cells in her ovaries.

A 13-year-old girl's masculine symptoms improved after surgery for a rare adrenal tumor that produced male hormones.

Finasteride helps treat hair loss and prostate issues by blocking a hormone.

Leydig cell tumors can cause high testosterone and symptoms like hair loss in postmenopausal women, but surgery can improve these symptoms.

High androgen levels often cause female hirsutism and infertility.

Hyperandrogenemia is more significant for adolescent girls with irregular menses.

A young girl with high testosterone was thought to have a tumor but actually had PCOS, which was treated with birth control pills.

5alpha-reductase 2 is crucial for proper male brain development and sexual differentiation.

The Leechbook shows how hair and sexual health were key to medieval masculinity and some remedies may still be useful.

Male sperm disorders significantly contribute to infertility.

Blocking androgen receptors early in life increases estrogen levels and reduces sexual motivation in male rats.

In PCOS, high male hormones cause hair growth, acne, and hair loss, affecting periods.

Dihydrotestosterone has a reduced effect on muscle-building in people with testicular feminization syndrome, especially after their gonads are removed.

Testosterone significantly affects sexual desire in both men and women, but its impact on women is more complex and influenced by psychological factors.

Males and females differ in lifespan, growth, organ size, metabolism, and brain structure, with females generally living longer and maturing earlier.

The conclusion suggests that PCOS may persist due to genetic traits that, while harmful for female fertility, could have provided survival and reproductive benefits to males.

Finasteride use in young men with hair loss is linked to sexual dysfunction.

A woman's symptoms of increased body hair and testosterone were caused by a rare adrenal tumor, which was removed successfully.

Androgens and estrogens are crucial for male reproductive health, affecting hormone levels and tissue function.

Hyperandrogenism is a common hormonal disorder in women, often linked to PCOS.

Polycystic ovary syndrome causes high male hormone levels, leading to symptoms like excess hair, acne, and fertility problems.

The document concludes that pediatricians play a vital role in supporting adolescents through puberty and should enhance their competence in this area.

Testosterone reduces key molecules needed for early pregnancy in rats.

A rare ovarian tumor in a 2-year-old girl was successfully removed, normalizing her hormone levels.

Testosterone treatment effectively causes male physical development in transgender male adolescents but may lead to side effects like acne, higher BMI and blood pressure, lower good cholesterol, and decreased bone density.

Men might have a version of the female disease, polycystic ovarian syndrome, shown by changes in hormone levels and early baldness, but more research is needed to fully understand it.

Girls with prepubertal simple hypertrichosis have higher dihydrotestosterone (DHT) levels.

The vellus index is a simple, quick, and reliable method to assess and monitor hair growth, especially in hirsutism.