Translation of "Pregnancy" in Chinese

I got a pregnancy test.

我做了妊娠检查。

I'm in my fifth month of pregnancy.

我怀孕四个月了。

This TV show tackles issues of teenage pregnancy and homosexuality.

這個節目觸及了未成年懷孕和同性戀的議題。

One out of 455 women doesn't realize she's pregnant until the twentieth week of pregnancy.

455名婦女中會有一名直到懷孕第二十週前沒有意識到自己懷孕。