any ladies who experienced spotting during pregnancy

so ive been having spotting off and on you 5 days now no cramps. i already went to the ER and they said it was a theating miscarriage. but my cervix was close my HCG levels where 10,000. tomorrow i see my doctor to see where are my levels at now. my husband says not to worry and stay positive. that he believes I'll just be one of the ones who has bleeding while pregnant. so i would like to heard from those who have experienced or are experiencing it??