I have had unprotetive sex on the 30 of december and on the 5 of january , I have been getting cramps in the bottom of my belly and heart hurts and I sumtime feel sick buh I dnt do sick I get really bad backahe and I get headache. Today I went to do a pregnancy test and it came out negative. Just before I left I notiest some pinkish blood. Does Dah mean I pregnant Please Help.