30 citations,
July 2004 in “Fertility and Sterility” 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.
1 citations,
July 2022 in “Frontiers in Pharmacology” Dutasteride may help protect neurons and reduce inflammation in Parkinson's disease.
9 citations,
August 1952 in “The Journal of Clinical Endocrinology & Metabolism” A 17-year-old female with adrenogenital syndrome produces very high levels of androgens, which prevent complete feminization despite high estrogen doses.
3 citations,
August 2021 in “Nutrition research” Estrogen affects how vitamin A is processed in mouse skin, which may impact acne treatment, hair growth, and skin defense.
1 citations,
November 2019 in “Archives of breast cancer” Some hormone treatments might raise breast cancer risk, while others don't seem to.