I am about 2weeks pregnant. I did 4 home tests and all came positive,2days ago Ihad some sharp cramps, they lasted for about 3mins. The next morning I had some dark brown discharge wen I was tryin to empty my bowels. Around 4pm same day, I did another pregnancy test and it was positive indicating 2-3wks. An hour later cz I was worried bout the discharge, and I was not feelingmy tender breasts and the mild cramps I had b4 I went to see a nurse.she did a test and it was negative. She has asked me to cme bk for another test, I am really worried, could I have lost my pregnany??