progestin(n = noun.substance) progestogen - any of a group of steroid hormones that have the effect of progesterone;
is a kind of sex hormone, steroid, steroid hormone
has particulars: lipo-lutin, progesterone, megestrol, megestrol acetate, norethandrolone, norethindrone, norethindrone acetate, norlutin, norethynodrel, norgestrel, medroxyprogesterone, provera