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.
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” Estrogen deficiency can reduce the enzyme activity needed to activate vitamin D.
31 citations,
September 2006 in “The Journal of Clinical Endocrinology & Metabolism” Testosterone therapy may slightly improve sexual function in postmenopausal women, but its long-term safety is unknown.
7 citations,
April 2012 in “Clinical investigation” Transdermal testosterone can improve sexual desire in postmenopausal women but lacks long-term safety data and is not FDA-approved for this use.