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随着围产医学的不断发展,需要相适应的辅助诊断方法,对有异常情况的孕产妇及胎儿作出早期诊断,及时处理,才能降低围产儿死亡率,保证母婴健康。B型断层超声检查,能通过对不同孕周的胎头双顶径、胸径的测量,估计胎儿宫内生长发育情况。较早期诊断胎儿先天畸形、双胎、妊娠合并宫肌瘤羊水过多、胎位异常、前置胎盘和胎盘亢进症等一些常见高危妊娠。今将我院近2年半来自孕26周后的256
With the continuous development of perinatal medicine, it is necessary to adapt the auxiliary diagnosis method to make early diagnosis and treatment of abnormal pregnant women and fetuses in order to reduce perinatal mortality and ensure the health of mother and baby. B-mode ultrasound tomography, fetal head by different gestational age biparietal diameter, diameter measurement, estimation of intrauterine growth and development. Earlier diagnosis of fetal congenital malformations, twins, pregnancy associated with polymyoma, polyhydramnios, abnormal fetal position, placenta previa and placental hyperthyroidism and some common high-risk pregnancies. Today, nearly two and a half years from our hospital 256 weeks after 26 weeks pregnant