I just got my 2nd period of the month, on day 20 of my cycle. im not on any birth control but have been under a lot of stress. im bleeding heavily

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, polyps and fibroids can cause spotting. There are many options available to help regulate the menstrual cycle. Schedule a visit.