Hi Am Two Months Pregnant And I Have Been Bleeding

Hi am two months pregnant and I have been bleeding little by little , l went to my doctor n after a blood test it was confirm the babe is there n he prescribed primulot Dop for every three days , plse I dont want to loose my babe again cos I have had miscarriage before .plse how safe is the primulet going to help me get my babe , even dough I have started taking the injection but I do see some drop of blood .plse am l save