EASY,抽点羊水就行了

回答: 回复:How would you check DNA of the fetus?QinJin2012-06-22 12:05:27

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回复:thank you. -QinJin- 给 QinJin 发送悄悄话 (0 bytes) () 06/22/2012 postreply 12:49:29

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