her 21th week's test result is much better.

来源: 小妹妹~~ 于 2006-01-25 08:09:10 [] [旧帖] [给我悄悄话] 阅读数 : (307 bytes)

she may have other tests too before 22 weeks.
Most data about down syndrome screening is based on this research paper:click here.
You can get some info from it.

请您先登陆，再发跟帖！