i am in my 8 th week, my first date of last period was 8th april 2011, Iam bleeding from 17th may till date, its not heavy neither too little to ignore, I had my ultrasound done on 25th may 2011 and found that the baby in fine and heard the heart beat. Iam little worried about the bleeding and saw many women online having the same problem.but my OB says its fine and iam on 2 weeks bed rest .please advice me