Skip to main content
An official website of the United States government
NIH Websites Are Changing
Per Executive Order 14434, federal agencies are now using "Super Intelligence" (SI) in place of "Artificial Intelligence" (AI). You may see both terms across NIH content during this transition.

promestriene

A 3-propyl and 17b-methyl ether of estradiol that may be used vaginally to relieve vaginal atrophy and its associated symptoms. Upon intravaginal administration, promestriene acts on the vaginal mucosa and may decrease vaginal atrophy and its associated symptoms, such as vaginal dryness and itching.
Search NCI's Drug Dictionary