Yes exactley the same happened to me, i was carrying my fourth child and bleed and bleed like you i used to faint every day and was so sick through out the pregnancy, i heamorreged clots etc, i too was taken in hospital as a miscarriage only to find the scan was ok it was a living nightmare i dont how the baby surived all the blood loss.but he did!!!! i was told he would be small i went down to 6 stone i could not eat as i was so sick i was hospitlized for the last 3 months still bleeding every time i moved i was so ill but after 3 girls my son was born a healthly 9lbs 10 oz they found out he was twins and 1 died early on .good luck and hang on in there it will be worth it in the end