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[13] [16] There are far fewer studies evaluating the side effects of 5α-reductase inhibitors in women. However, due to the known role of DHT in male sexual differentiation, 5α-reductase inhibitors may cause birth defects such as ambiguous genitalia in the male fetuses of pregnant women. As such, they are not used in women during pregnancy. [36]
[1]: 25 Prenatal factors that affect or interfere with the interaction of these hormones on the developing brain can influence later sex-typed behavior in children. [ 1 ] : 24 This hypothesis is originated from experimental studies in non-human mammals, yet the argument that similar effects can be seen in human neurobehavioral development is a ...
Can cause androgen effects and infertility in adolescent and adult women. Cortisol is mildly reduced depending on genotype, [104] but aldosterone is not. Patients who are genetically found to have nonclassical CAH but are asymptomatic No symptoms of androgen excess, levels of androgens are within the normal range.
An estimated 3 million pregnant women in the USA were prescribed DES from 1941 through 1971. [2] [3] DES was also widely prescribed to women in Canada, the UK, Europe, Australia, and New Zealand during a similar period. Women who were prescribed DES during pregnancy have been shown to have a modestly increased risk of breast cancer and breast ...
The earliest known diagnosis was in a 6 month old female who developed pubic hair. [46] Additional symptoms include acne, menstrual irregularities and hirsutism in females as well as alopecia in males. LOCAH is often misdiagnosed as polycystic ovarian disease (PCOS). [47] LOCAH is often diagnosed in the context of infertility assessment in women.
A study of a population of French women from 1670 and 1789 shows that those who married at age 20–24 had 7.0 children on average and 3.7% remained childless. Women who married at age 25–29 years had a mean of 5.7 children and 5.0% remained childless. Women who married at 30–34 years had a mean of 4.0 children and 8.2% remained childless. [20]
The development of female sex characteristics does not require DHT, so a lack of steroid 5-alpha reductase 2 activity does not cause physical changes in these individuals. [ 1 ] Virilization of genitalia with voice deepening, development of muscle mass occurs at puberty in affected individuals, and height is not impaired.
5α-Reductase inhibitors (5-ARIs), also known as dihydrotestosterone (DHT) blockers, are a class of medications with antiandrogenic effects which are used primarily in the treatment of enlarged prostate and scalp hair loss. They are also sometimes used to treat excess hair growth in women and as a component of hormone therapy for transgender ...