Last had my period on 31dec16.lasted 7 days.which mean my period end on 6jan17.in feb,i didn't get my period.today i get brown discharge.not pregnant.

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.