Description
17α-Hydroxyprogesterone is a synthetic steroid hormone that displays anti-estrogenic activity; it is clinically used to prevent recurrent preterm birth in pregnant females.
References
Briery CM, Klauser CK, Martin RW, et al. The use of 17-hydroxy progesterone in women with arrested preterm labor: a randomized clinical trial. J Matern Fetal Neonatal Med. 2014 Mar 10. [Epub ahead of print]. PMID: 24512252.
Yemini M, Borenstein R, Dreazen E, et al. Prevention of premature labor by 17 alpha-hydroxyprogesterone caproate. Am J Obstet Gynecol. 1985 Mar 1;151(5):574-7. PMID: 3976757.