据美国妇产科医学院介绍，如果一名患糖尿病的母亲在怀孕期间血糖水平较高，那么婴儿就会吸收过多的糖分从而长得过大。

When a diabetic mother's glucose level is high during pregnancy, the baby can receive too much glucose and grow too large, according to the American College of Obstetricians and Gynaecologists.

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过度肥胖的妇女在怀孕过程中将承担严重的健康风险，比如糖尿病和高血压，而且生产过程更加困难。

Women who are very overweight (obese) face the risk of serious health problems during pregnancy, such as diabetes and high blood pressure, and may have a more difficult birth.

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事实上，美国糖尿病协会建议，在试图怀孕前，维持好三至六个月的血糖控制。

In fact, the American Diabetes Association recommends maintaining good blood sugar control for three to six months before attempting to conceive.

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