No heart beat at 2nd ultrasound

Aimee

I went in for a second US at 7w6d. The baby was a little behind in growth 7w4 and they couldn’t find the heart beat. At my first US the baby measured right on track and the heart beat was 168. Has this ever happened to anyone and you still had a healthy baby? I also have a large hemorrhage that has been causing bleeding and clotting. Should I just prepare for the worst? Next US Tuesday...