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A special gene region controls the re-emergence of a primitive wool type in Merino sheep, improving their wool yield and adaptability.

Men with a family history of hair loss on their mother's side are more likely to have female pattern hair loss.

Congenital Adrenal Hyperplasia is a rare inherited disease causing hormone imbalances, affecting growth, fertility, and heart health, diagnosed through blood tests and treated with medication and lifestyle changes.

A mother's iron levels early in pregnancy can influence the DNA makeup of her child, potentially affecting the child's health.

Some lesser-known causes of PCOS include autoimmune issues, genetic mutations, and changes in the body's microbiome.

American men are older, more obese, and have longer infertility than Canadian men.

Chromosomal differences affect how muscle cells respond to testosterone.

Genes and hormones cause hair loss, with four genes contributing equally.

Sex hormones, especially estradiol, can change chicken feather shapes and colors.

Pattern baldness is likely caused by a dominant gene influenced by testosterone levels, making it more common in men.

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

Many COVID-19 patients have long-term symptoms, especially women, but certain medications may help reduce these symptoms.

Pediatric endocrinologists should provide early fertility counseling and preservation options to young patients at risk of infertility.

Mutations in the AR gene cause hair thinning and loss.

Barn owls with smaller black spots have higher testosterone levels, which might be due to genetic effects on hormone regulation rather than hormone effects on coloration.

A 20-year-old woman with a rare form of Turner syndrome showed improvement with hormonal therapy and needs comprehensive care.

The conclusion is that certain genetic factors and blood types may affect COVID-19 severity, but changes in ACE2 and TMPRSS2 genes are not clearly linked to it.

DA-9401 helps protect rat testis from finasteride damage.

Finasteride may effectively treat hair loss in Klinefelter Syndrome patients.

The document concludes that the fast-growing direct-to-consumer genetic testing market lacks sufficient regulation, posing risks to consumers due to questionable test quality and accuracy.

Pregnancy can increase lupus activity, but careful planning and treatment can improve outcomes.

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.

Finasteride may cause sexual side effects like erectile dysfunction, but they are reversible and affect less than 2% of men.

The document concludes that identifying the cause of amenorrhea is crucial for proper treatment.

Amenorrhea is when a woman doesn't have periods, with primary amenorrhea starting by age 15 or within five years of breast development, and secondary amenorrhea when periods stop for three months. It affects 3-4% of women not pregnant, breastfeeding, or in menopause, mainly due to polycystic ovary syndrome, hypothalamic amenorrhea, hyperprolactinemia, and ovarian failure.

Amenorrhea, or the absence of periods, should be evaluated by age 15 or within five years of early breast development, and is most commonly caused by conditions like polycystic ovary syndrome and hypothalamic amenorrhea.

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

5α-Reductase inhibitors can negatively affect male sexual function and, in some cases, significantly reduce sperm count, but these effects may be reversible.

Curcumin may help reverse aging by targeting specific genes.

Finasteride causes harmful organ changes in female mice.