hey i last had sex last night and i dont use condoms but like we always make sure he pulls out before he does but last night we had sex and my nipples started to really hurt and still are now its started hurting this morning when me woke up and im scared incase thats a sign out pregnancy and i havent been sick or hungry so please someone tell me is that right or is it me being stressed as i need to no sometimes i feel sick but im not sure if im preg ?????