... Celioscope operation 腹腔镜手术 First trimester 孕前三个月 Ultrasound 超声波 ...
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孕前三个月
Three months before pregnancy
以上为机器翻译结果，长、整句建议使用 人工翻译 。
防止胎儿神经系统畸形的最好方法是每天摄入推荐的400毫克叶酸，孕前一个月开始并在孕期前三个月持续服用。
The best way to prevent neural defects is to take the recommended 400 micrograms of folic acid daily for one month before conception and during the first three months of pregnancy.
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