I have had my period for 12days now, on my 12day im spoting brown in my pad, im on birthcontrol an been on for few months, could i be anemic lik my mom?

It's possible.: Most reproductive-age women with abnormal uterine bleeding should be evaluated initially with the following tests: human Chorionic Gonadotropin (if not on birth control to rule out pregnancy), complete blood count, hemoglobin and/or hematocrit (this will test for anemia). Additional tests may be performed to assess for particular etiologies.

Quite possibly: A normal period lasts 3-5 days, so bleeding for 12 days is a long period. Anytime women have longer than normal period they are at risk for anemia. Sometimes young women can have irregular periods however the birth control pill should help to shorten your period. If you have a pelvic infection this could cause longer bleeding.