The first day of my last period was 9/3/12 i ovulated 9/12-9/17 my hubby and i had sex almost everyday during ovulation and he did ejaculate in me i have been feeling nauseous, my nipples are very sore, mild cramping as if af is coming, very sharp pains in lower belly, i took a hpt on 9/26/12 i was negative my cucle was supposed to start on 9/30/12 im 5 days late i went to the obgyn on 10/1/12 and took another test still negative im still having the same symptoms i need help could be something else or am i just crazy