Hello im almost 8 weeks pregnant, yesterday i found a red blood spot when wiping but i feel no pain in my stomach and my doctor said i should rest and visit him the next day for an ultrasound ..noting that i had two m/c before this pregnancy and made all the requited miscarrying tests that ended up with a good results for me and my husband ..im so scared i should go to the doctor today i need to know why this would happen and an important info to mention im B- and my husband is a positive but before this pregnancy i had an indirect coombs test and it was negative ..please help me