原帖由 xjygx 于 2008-6-4 13:53 发表 % o+ {! F' r6 {6 D8 v' [, h3 \* z F C
首先做个B超,查胎儿的NT值(妊娠胎儿颈部透明帶测量),这是检查胎儿是否患有唐氏综合症的检查,如果NT值大于2.5MM,就需要做羊水检查。( r4 g: X K" I) T! k" r2 P+ P. s# C
我上个月刚做的。
triple blood screening: * G# V0 [& L# ~# P ! d+ H: t6 A1 X, CA triple screen is a blood test that measures three things called alpha-fetoprotein, human chorionic gonadotropin and unconjugated estriol. The results of the blood test can help your doctor see if your baby may be at higher risk for certain birth defects such as Down syndrome and neural tube defects.0 p- I% {8 D1 V" H$ c3 a