I think I am about 9 weeks pregnant. I took 2 HPT, in the order of one being positive, then a negative. About two weeks ago, I started taking Clarithromycin (2 tablets a day) to clear up a Bronchitis infection. I started getting more upset to my stomach every time I took it, and I ended up bleeding pretty heavily. Because I don't know if I was pregnant, could I have miscarried or just started my period late? If I was pregnant, could I have lost it or am I still carrying? Basically is there any way to find out if I lost a baby after two weeks or so now, or is that too late?