In both studies, researchers interviewed mothers of more than 9,500 infants with birth defects, including cleft palate and heart valve problems.

在这两项研究中，研究人员调查了9500名出生缺陷婴儿的母亲，其中包括唇裂和心瓣膜问题。

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In both studies, researchers interviewed mothers of more than 9,500 infants with birth defects, including cleft palate and heart valve problems.

在这两项研究中，研究人员调查了9500名出生缺陷婴儿的母亲，其中包括唇裂和心瓣膜问题。

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