Cycle started october 30th. cycle usually 30 days. started spotting scanty brown discarge off and on cycle day 17-22. today blood is brown/red, cause?

Common: 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.