妊娠9週以降に可能となり羊水検査に比べ早期に施行できる。通常、妊娠14週頃(妊娠4月3週目、妊娠前期の末)に施行する(QB.P-227)。

参考

1. 絨毛検査

http://www.jsog.or.jp/PDF/59/5907-226.pdf

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2018/11/12 16:42:01」(JST)

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