title: Multinational comparative clinical evaluation of two long-acting injectable contraceptive steroids: noresthisterone oenanthate and medroxyprogesterone acetate. 2. Bleeding patterns and side effects.
mesh_terms: D000568:Amenorrhea / Q000209:etiology; D001794:Blood Pressure; D001835:Body Weight; D005260:Female; D006261:Headache / Q000209:etiology; D006801:Humans; D008525:Medroxyprogesterone / Q000009:adverse effects*; D008598:Menstruation / Q000187:drug effects; D009640:Norethindrone / Q000009:adverse effects*; D013997:Time Factors
chemical_list: D008525:Medroxyprogesterone; D009640:Norethindrone