1. A synthetic progestational hormone used in oral contraceptives and to treat endometriosis
   "Norethindrone is a key component in many birth control pills"; "norethindrone acetate is a key component in many birth control pills";
   - norethindrone acetate, norethandrolone, Norlutin

Derived forms: norethindrones

Type of: progestin, progestogen

Part of: Loestrin, Micronor, Modicon, Norinyl, Norlestrin, Nor-Q-D, Ovocon

Encyclopedia: Norethindrone