title: Menstrual behaviour with steroid implant.
mesh_terms: D000328:Adult; D003271:Contraceptive Agents, Female / Q000009:adverse effects*; D004343:Drug Implants; D005260:Female; D005298:Fertility / Q000187:drug effects; D006801:Humans; D008599:Menstruation Disturbances / Q000139:chemically induced*; D009640:Norethindrone / Q000009:adverse effects / Q000031:analogs & derivatives*; D000077563:Norethindrone Acetate
chemical_list: D003271:Contraceptive Agents, Female; D004343:Drug Implants; D000077563:Norethindrone Acetate; D009640:Norethindrone