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。
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。
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