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The length of the CAG repeat in the androgen receptor gene affects the risk and progression of prostate cancer, BPH, infertility, and undermasculinized genitalia.

A new mutation linked to partial Androgen Insensitivity Syndrome and prostate cancer was found in a patient unhappy with their female gender assignment.

No consistent link between genotype and phenotype in 5-α-Reductase type 2 deficiency.

Testosterone and dihydrotestosterone treatments can help with penile growth in males with 5α-reductase type 2 deficiency, with dihydrotestosterone being more effective in infancy.

A patient with a larger than usual genetic mutation had a broader range of symptoms for a muscle disease.

The girl's unexpected pubic hair growth led to a diagnosis different from complete androgen insensitivity syndrome.

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.

Changes in testosterone and estrogen receptor genes can affect how men age, influencing body fat, hair patterns, and possibly leading to skin disorders.

Androgen treatment with dihydrotestosterone may help maintain height in patients with 5-α-reductase type 2 deficiency, especially before puberty.

Certain genes and X chromosome patterns may significantly contribute to the development of hair loss.

COVID-19 may harm male reproductive health and lower testosterone levels, potentially affecting fertility and causing erectile dysfunction. More research is needed.

5α-reductase deficiency can cause ambiguous genitalia and gender dysphoria, treatable with testosterone.

DHT is crucial for urethral formation, and its disruption can affect masculinization and lead to hypospadias.

The patient had complex urinary tract issues and ambiguous genitalia, with physical features suggesting a hormonal imbalance.

A short male anogenital distance may indicate incomplete masculinization due to disrupted androgen action.

Male genital development is driven by androgen signaling and understanding it could help address congenital anomalies.

5α-reductase-2 deficiency causes ambiguous genitalia at birth and affects male sexual development, but individuals often develop male characteristics at puberty.

Individuals with this condition often develop male traits and identities at puberty despite being raised as females.

A 13-year-old with 46 XY DSD had ambiguous genitalia due to incomplete masculinization.

Masculinization in affected individuals occurs gradually after puberty due to hormone changes.

Affected males are born with ambiguous genitalia, raised as females, but develop male traits at puberty due to enzyme deficiency.

Most 46XX CAH patients have female identity, but a few identify as male and may need treatment and surgery.

Insufficient androgen action in male fetuses can cause genital development issues due to genetic mutations or environmental chemicals.

Male children's genital development issues can be caused by genetic mutations or environmental factors affecting hormone action.

The review discusses how facial masculinization surgeries are done and their costs.

Individuals with male pseudohermaphroditism often do better raised as females with early surgery.

More research is needed to improve lower body gender affirmation techniques.

A genetic defect causes males in some Mediterranean populations to be born with ambiguous genitalia and develop male traits at puberty.

Significant facial gender transformation requires surgery, not nonsurgical methods.

The discovery of 5α-reductase deficiency in guevedoces led to the development of important urologic medications.