Hormones may affect fetal growth.

激素可能会影响胎儿的生长。

After examination, the doctor found the fetal limbs have disability.

经过检查，医生发现胎儿四肢有残疾。

The little boy lay on the sofa in a fetal position.

小男孩像胎儿一样躺在沙发上。

Some scientists have a hunch that a pregnant woman's diet and her exposure to various chemicals turn on some fetal genes and turn off others.

有些科学家有预感，认为孕妇的饮食和她接触的各种化学物质会开启一些胎儿基因，而关闭其他基因。

Fetal lie is another important part of a baby's presentation.

胎位是婴儿表现的另一个重要部分。

Uterine hypocontractility should be augmented after both the maternal pelvis and fetal presentation have been assessed.

在对母体骨盆和胎儿先露都进行评估后，低张性子宫收缩应加以强化。

First detection of fetal movement should occur at around 17 weeks in a multigravida.

第一次感到胎动的时间经产妇应该发生在17周左右。

These are fetal ear bones.

这些是胎儿的耳骨。