Pregestational diabetes mellitus may cause fetal heart defects, and it is considered to be an important non-genetic risk factors for congenital heart defects.

糖尿病合并妊娠可引起胎儿心脏畸形，是先天性心脏病重要的非遗传性风险因素；

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Pregestational diabetes mellitus may cause fetal heart defects, and it is considered to be an important non-genetic risk factors for congenital heart defects.

糖尿病合并妊娠可引起胎儿心脏畸形，是先天性心脏病重要的非遗传性风险因素；

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