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Some steroid-induced health issues in rodents improved after stopping treatment, but hair loss and eye problems did not.

The new method showed that endometriotic tissue has lower estrogen receptor levels but similar progesterone levels compared to normal endometrium, with both following a similar cycle.

A new gene mutation causes complete androgen insensitivity in a 16-year-old with a female appearance.

High doses of some contraceptive steroids cause health issues in dogs, but their relevance to humans is unclear.

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.

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

Plucking hair speeds up the next hair growth, but hormones can change this timing.

Field bean supplementation improved mohair growth and kid growth in Angora goats but didn't prevent weight loss after giving birth.

Women with pituitary adenomas often have reproductive issues, like irregular periods and trouble getting pregnant, but not always breast milk production without pregnancy.

Lowering 3α,5α-THP in the hippocampus increases anxiety and depression in proestrous rats.

Seasonal changes affect gene activity linked to hair growth in Angora goats.

Estradiol stops hair growth in mice, but an antagonist can reverse this effect.

The nafarelin test can reliably distinguish between gonadotropin deficiency and delayed puberty in teenage boys.

A new genetic change causing early stop in the androgen receptor gene was found in a patient with androgen insensitivity syndrome.

Emaciated cattle in Aswan have poor health due to parasites and low blood nutrients.

Pair housing reduces stress behaviors and health issues in quarantined rhesus macaques.

Prolactin levels do not control the start of winter fur growth in mink.

Testosterone significantly affects urination differences between male and female mice.

One twin girl has Loose anagen syndrome with poorly anchored hair, diagnosed with a simple hair pull test, while her identical twin does not have the condition.

An epidermoid cyst in a dog's mammary gland is rare and benign.

Angus cattle grow faster and are more feed-efficient than Brahman, especially with growth-promoting systems, and gene expression changes with cold and treatments.

Men over 50 may experience hormone decline causing various symptoms, and proper management is crucial.

Neurosteroid withdrawal increases α4 subunit expression in the hippocampus, which may relate to catamenial epilepsy in women.

Different androgen concentrations affect wool-related gene expression differently in Hetian and Karakul sheep breeds.

Telogen effluvium is hair loss caused by many hairs stopping growth suddenly, often due to stress or illness, but sometimes it's normal and not due to disease.

Alopecia areata in these mice is inherited, more common in young females, and can be treated with triamcinolone acetonide.

Finasteride reduces prostate size and DHT in male mastomys but not in females.

Testosterone makes the connections in the uterus lining simpler and lowers certain protein levels, which might lead to infertility.

Melatonin treatment made ferrets grow their fur earlier and affected their breeding time.