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目的分析经腹部超声在孕11～13~(+6)周筛查胎儿畸形的意义,并提示胎囊与宫颈内口的位置关系,以及早期评估胎儿经阴道分娩的风险性。方法选取2016年1月~2016年10月在我院进行超声检查的2773例孕期妇女作为研究对象,分别于11～13~(+6)周和18~24周进行超声检查。结果在孕11～13~(+6)周经腹部超声检查,发现异常胎儿总例数为29,在孕18~24周进行超声检查,发现异常胎儿总例数为38例,第二次检查发现脊椎弯曲增加1例,心脏发育异常增加2例,肢体异常增加1例,唇裂增加4例,单脐动脉增加1例,其他异常类型例数均相同。结论在孕11～13~(+6)周进行腹部超声检查,有效诊断胎儿是否存活,通过测量NT值,观察宫内胎儿重要解剖结构,能及早筛查畸形胎儿,为孕妇终止妊娠提供参考价值。
Objective To analyze the significance of transabdominal sonography in screening fetus malformations during 11 ~ 13 ~ (+6) weeks of gestation, and to show the location of fetal sacs and internal mouth of the cervix, and to evaluate the risk of vaginal delivery early. Methods A total of 2,773 pregnant women undergoing ultrasound examination in our hospital from January 2016 to October 2016 were selected as the study subjects and were examined by ultrasound at 11 ~ 13 ~ (+6) weeks and 18 ~ 24 weeks respectively. Results During the 11 ~ 13 ~ (+6) weeks of gestation, abdominal ultrasound examination revealed that the total number of abnormal fetuses was 29, and ultrasound examination was performed at 18-24 weeks’ gestation. The total number of abnormal fetuses was found to be 38 cases. The second inspection One case of spine flexion, two cases of abnormal cardiac development, one case of abnormal limbs, four cases of cleft lip and one case of single umbilical artery were found. The cases of other abnormal types were the same. Conclusions Abdominal ultrasonography is performed in 11 ~ 13 ~ (+6) weeks of gestation, which can effectively diagnose whether the fetus survives. By measuring the NT value and observing the intrauterine fetal important anatomy, it can screen abnormal fetus early and provide reference for the termination of pregnancy .