She is having a baby.

她怀孕了。

She is pregnant.

她怀孕了。

She is expecting.

她怀孕了。

She is in the family way.

她怀孕了。

She is knitting little booties.

她怀孕了。

She is in a delicate condition.

她正"怀孕中"。

She is in an interesting condition.

她有孕在身。

She is "well-along".

她"心满意足"。

She is about to have a "blessed event".

她不久会有“喜事”。

She is "in trouble".

她“有了麻烦”。