Thanks for the query.
Usually after abortion
spotting can be seen for one week to ten days and also some amount of cramping can also be seen.
But as you are having severe pain
abdomen, if you had surgical procedure like D&C better to rule out pelvic infection
You consult your gynecologist and go for physical examination and ultrasound
to rule out the possibility of infection or retained products.
If nothing is there you can take antispasmodics for pain relief.