Threatened miscarriage..

Anyone had heavy bleeding and clumps and tissue come out. And had a normal pregnancy still? I had heavy bleeding and clumps yesterday and I went to the er they told me my cervix was closed up tight. They did a  regular ultra sound and a vaginal ultra sound....  Told me they saw something but wasn't sure if it was gonna be a miscarriage or if was baby. Cause it was to early, anyone have this and have a normal pregnancy? I'm going to the doctors tomorrow to see if hcg has doubled or lowered. Also getting married tomorrow hope they can bring me good news so I can have a happy day.