患者　女 ,2 7岁 ,汉族 ,因习惯性流产就诊。夫妇二人表型正常 ,婚后 4年 ,孕 4胎。第 1胎妊娠 5 0天 ,自然流产。第 2胎5 0多天下腹部胀痛明显 ,阴道少量流血 ,经黄体酮保胎治疗及中药治疗无效 ,自然流产。第 3胎、第 4胎 40天时早期卧床休息保胎治疗仍自然流产。患者未接触过 Female patient, 27 years old, Han, due to habitual abortion treatment. The couple phenotype normal, 4 years after marriage, pregnancy 4 tires. First pregnancy 50 days of pregnancy, spontaneous abortion. The second child more than 50 days of abdominal pain under the abdomen obvious vaginal bleeding, vaginal progesterone miscarriage treatment and Chinese medicine treatment ineffective, spontaneous abortion. The third child, the first 4 days 40 days early bed rest miscarriage still spontaneous abortion. Patients have not been exposed