患者 2 9岁 ,因孕 2 6周、C超检查提示双胎双畸形儿而住院。追问病史 ,患者停经 2个月时曾患“感冒”,自服解热止痛片 5天共 10片、复方新诺明片 5天共 2 8片。夫妻双方均否认有遗传病家族史 ,非近亲结婚。查体 :Bp17/ 10 k Pa。心肺无异常发现。腹部膨隆 ,宫底脐上三指 ,胎位 The patient was 29 years old, because of pregnancy 2 6 weeks, C-ultrasound prompted twin twin deformity and hospitalization. Asked history, patients with menopause 2 months had “cold”, self-service antipyretic painkillers 5 days a total of 10, 5 days a new compound tablets of 28 tablets. Both husband and wife denied a family history of genetic disease, non-relatives get married. Physical examination: Bp17 / 10 k Pa. No abnormal heart and lung findings. Abdominal bulge, uterus at the end of the third finger, fetal position