May 2021 in “Journal of the Endocrine Society” Transgender females can reach their target estrogen levels using estradiol patches, especially if oral treatments fail or if they're at risk for blood clots. Often, the highest dose patch is needed.
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December 1994 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” The treatment effectively reduced hair growth and was safe for patients with PCOS, but it needs better bleeding control.
May 2021 in “Journal of the Endocrine Society” A 23-year-old woman's missed periods were caused by a rare genetic disorder treated with hormone patches.
October 2024 in “Journal of the Endocrine Society” Estrogen alone can lower testosterone in some transfeminine people.
November 2022 in “Journal of the Endocrine Society” A man's rare adrenal tumor caused feminization and white hair, was removed surgically, and improved after treatment.