i had a misscariage on saturday and had a D&C done yeserday, i was 6 weeks pregnant , the baby hearbt beat was found but was very low ie. 75 mbps, is that could be the reason for the m/c ?? but i was in a faith that because it was the early stage the hearbeat is low , later on it was take increase , but i doesnt happen , what will be the exact reason for the same