A nuchal scan is a sonographic prenatal screening scan (ultrasound) to help identify higher risks of Down syndrome in a fetus, particularly for older women who have higher risks of such pregnancies.
阿颈背扫描是扫描超声产前筛查(超声波)，以帮助确定风险较高的唐氏综合征胎儿中，特别是对老年妇女有较高的风险，谁这样怀孕。
ObjectiveTo evaluate color Doppler ultrasound screening in the prenatal diagnosis of fetal cardiac malformations in value.
目的探讨彩超筛查在产前诊断胎儿心脏畸形中的价值。
Objective To study the role of prenatal serum screening and ultrasound in diagnosis of abnormal chromosome in fetuses.
目的探讨唐氏儿血清学筛查及超声检查在诊断胎儿染色体异常中的价值。
Objective To study the role of prenatal serum screening and ultrasound in diagnosis of abnormal chromosome in fetuses.
目的探讨唐氏儿血清学筛查及超声检查在诊断胎儿染色体异常中的价值。
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