Hi , i had my last period 25 dec 2015, started spotting from 01-03 jan and had pregnancy sysmptoms of nausea, dizziness, headache, sore breasts, nausea, vomiting, lower abdomina pains , back pains till today, i went to the doctor who took urine test its negative and did scan he says he sees blood in my womb and not sure what that means, im really worried please help what can be the problem