First cousins that are not from such groups run only a slightly greater risk of producing children with birth defects than non-related couples.

不是来自这样群体的表亲所生的孩子仅比无近亲关系的夫妻所生出的孩子发生危险的机会稍微大点而已。

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First cousins that are not from such groups run only a slightly greater risk of producing children with birth defects than non-related couples.

不是来自这样群体的表亲所生的孩子仅比无近亲关系的夫妻所生出的孩子发生危险的机会稍微大点而已。

youdao