YOU SAID:
I am pregnant with your grandmother
INTO JAPANESE
私はあなたのおばあちゃんと妊娠しています
BACK INTO ENGLISH
I am pregnant and your grandma
INTO JAPANESE
私は妊娠していてあなたのおばあちゃん
BACK INTO ENGLISH
I am pregnant and your grandma
You've done this before, haven't you.