What does it mean when you still bleed afther your period

May be normal: If the bleeding is heavy or with cramps or last several days then you should see Doctor

Depends: sometimes periods can be irregular and depending on how long after your period that occurs, and how frequently it occurs may warrant further work up and possible intervention. If this is the first time you had irregular bleeding, i would note the onset of your menses and bleeding frequency. If it continues, see a gynecologist

Hormones: Sometimes women continue to bleed > 7 days after their period ends. Typically due to hormonal changes. Sometimes can be due to thyroid, weight changes (being too heavy, too thin). Hormones, birth control pills, can help to regulate.

Common complaint: Irregular periods are one of the most common problems obgyns treat. If this is one time problem it usually resolves on its own. If this is a recurring problem you should be evaluated. Infections & hormonal changes can cause spotting. If there is a concern for pregnancy then do a home pregnancy test . There are many options available to help regulate the menstrual cycle. Schedule a visit.