what is hydroxyprogesterone
Be the first to review this Drug. Hydroxyprogesterone is a form of progestin, a manmade form of a female hormone called progesterone. Hydroxyprogesterone is used to lower the risk of premature birth in a woman who has already had one premature baby.This medication will not stop premature labor that has already begun. Hydroxyprogesterone is not for use in women who have had more than one pregnancy.ou should not receive this medication if you are allergic to hydroxyprogesterone or castor oil, or if you have: 1  unusual vaginal bleeding that has not been checked by a doctor; 2  liver disease or liver cancer; 3  a hormone related cancer such as breast or uterine cancer; 4  severe or uncontrolled high blood pressure;