I got brown spotting for two days and then pinkish on and off for four days i have irregular period and this has been never happened before i don't know what is going on, i took oral contraceptive pills to regulate my period june last year?

Irregular periods: 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.