I went to er over severe stomach cramps thats lasted over a week that then was accompied wit pretty heavy bleeding wit wat looks like small pieces in it when i wipe. Ive had lightheadedness n dizzyness along wit back pain . I wasnt due to start for over 2 weeks when the cramping started. Ive never felt like this n didnt get any answers from the er. Im 25 and a mother to twins n another single birth before them.