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1·Objective To find suitable critical value of fetal nuchal translucency (NT) by ultrasonic testing.

目的通过超声检查寻找合适的胎儿颈项皮肤厚度（NT）临界值。

2·Second-trimester sonographic soft markers: what can we learn from the experience of first-trimester nuchal translucency screening?

妊娠中期超声检查的软性标记物：我们能从早期妊娠胎儿颈项透明层厚度筛查经验中学到什么?。

3·Methods 67pregnant women with gestational age of 10-14 weeks were measured for nuchal translucency thickness by ultrasonic testing.

方法对67例早期妊娠(孕10 - 14周)病例进行超声检查测量颈项皮肤透明层厚度。

4·In 11-13 + 6 weeks, fetal nuchal translucency (nt) thickness has become an important index of down's syndrome of early pregnancy screening.

孕11 - 13 + 6周胎儿颈项透明层(NT)厚度已经成为早孕期筛查唐氏综合征的重要指标。

5·In foetuses with a normal number of chromosomes, a thicker nuchal translucency is associated with other fetal defects and genetic syndromes.

在胎儿与正常数目的染色体，一个较厚的颈部半透明是与其他胎儿缺陷和遗传综合征。

6·Methods Fetal nuchal translucency thickness was measured between 10 ~ 14 weeks of gestation, or nuchal fold thickness after 14 weeks, with serial follow-up ultrasound examinations.

方法于孕10 ~ 14周测量胎儿颈部透明带厚度，或孕14周后测量胎儿颈部皮肤厚度，并随诊观察。