Sex drive

Samantha
So I'm 13w3d pregnant and have no desire to have sex at all I'm really physically exhausted and just want to sleep after work (I work 9-10 hour shifts) and I can't help but feel really bad. Before my fiance and I both had a very high sex drive so I feel bad for him cause I know his didn't change and mine is gone. Any advise would help and is this normal?