Translation of "babies" into Chinese

I cannot make noise. The baby is sleeping.

我不可以吵。婴儿在睡觉。

Many babies, often called preemies, are born prematurely.

许多通常称为早产儿的婴孩都是未到产期出生的。

The mother kissed her baby.

妈妈亲了她的宝贝。

Birth certificates are now being issued at some hospitals before the baby and the mother are discharged.

目前,一些医院在新生儿和母亲出院之前办理出生证。