Yes, it is quite possible for a woman to be completely unaware that she is pregnant.
Examples of this happen all the time.
Yes, they sometimes do and it's called couvade syndrome.
No.
Nicki minaj is not pregnant she is bi so she promised she never will
You can not hold in your stomach.
you get fat
no!
HECK! NO!
no
no
no but they are dating
noo she is lieing
Yes they are known as M&M's