Staff used three-dimensional ultrasound scans and tinycameras to film the pregnancy process from conception to birth.
工作人员使用三维超声扫描仪和微相机来拍摄从怀孕到分娩的怀孕过程。
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.
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。
If all women took adequate folic acid before conception and during pregnancy, the number of babies born with a neural tube defect could drop by as much as 70 percent.
如果所有的妇女在怀孕前后获得足够的叶酸的话,该病的患病率可以下降70%。
Daily supplementation with folic acid for 1 month prior to conception and during pregnancy may reduce the incidence of neural tube defects such as spina bifida and anencephaly in the child.
在怀孕前一个月及怀孕过程中对叶酸的补充会减低胎儿患神经系统疾病的机率,例如脊柱裂和脑血管畸型。
They provided records of their eating habits before and during the early stages of pregnancy, and researchers analyzed the data based on estimated calorie intake at the time of conception.
她们提供怀孕前和怀孕初期饮食习惯的记录,研究人员根据妊娠期大概的卡路里摄入量的数据作出分析。
They provided records of their eating habits before and during the early stages of pregnancy, and researchers analyzed the data based on estimated calorie intake at the time of conception.
她们提供怀孕前和怀孕初期饮食习惯的记录,研究人员根据妊娠期大概的卡路里摄入量的数据作出分析。
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