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It would retrieve fetal dna from the mother 's bloodstream .

这项试验将从母亲的血浆中获取胎儿的dna。

It measures fetal heart sounds to help establish the heart rate , age and position of the fetus in the mother .

它通过测算胎儿心音来帮助确定母体中胎儿的胎心率、胎龄和胎儿位置。

That suggests fetal programming is a real phenomenon .

那就暗示“胎儿规划”是一种真实存在的现象。

He called the idea fetal programming .

他称之为胎儿计划。

The ill effects of undernourishment on fetal development have been well documented .

营养不足对胎儿发育的不良影响已经得到了很好的文献证明。