患者,张某,女,25岁,现有一男孩,由于2次放置宫内节育器,都因带器妊娠而人工流产,而改服长效避孕药复方18甲基炔诺明片。患者无高血压、恶性肿瘤、血栓病、糖尿病,胃肠道功能正常,肝肾功能正常,经体检患者无用药禁忌症。嘱患者在当月月经来潮的第5d服1片,第25天再服药 Patients, Zhang, female, 25 years old, the existing one boy, due to 2 placed intrauterine device, all due to pregnancy with abortion, but to change the long-acting contraceptives compound 18 methamphetamine tablets. Patients without hypertension, cancer, thrombosis, diabetes, gastrointestinal function is normal, normal liver and kidney function, physical examination by patients without medication contraindications. Zhu Huanzhe month menstrual cramps in the first 5d 1, 25 days and then medication