因此会对孕前妇女做一个这种类似的测试，阿德诺博士说。
A similar study should be done in women before pregnancy, Schecter said.
相反，研究人员发现孕前糖尿病母亲和其后代asd风险之间没有联系。
In contrast, no association was found between maternal pre-existing diabetes and risk of ASD in offspring.
在孕前和孕期食用添加叶酸的强化谷物，防止胎儿发育过程中的神经管缺陷。
Eating grains fortified with folate before and during pregnancy helps prevent neural tube defects during fetal development.
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