Usually the guy doesn't start feeling "sympathy pains" until the mother is farther along in the pregnancy. There's always a chance that she could be pregnant if youre having unprotected sex.
Up to a 25% chance if you had unprotected sex.
If you guys engaged in unprotected sex, then yes it is possible for her to be pregnant.
There are recordings of sympathy symptoms in men but I think in your case, it is probably unrelated.