Thanks for your query.You had a miscarriage
followed by a D& C and now you are getting severe pain
in lower abdomen.Are you getting fever
too?.These signs are suggestive of Pelvic Infection
and you need to take higher antibiotics preferably in injection form so as to get good immediate result.So pl get admitted in hospital for a day or two and take antibiotics in inject able form.and Intravenous fluids.