I was in a car accident on monday morning. i have been having flow like a period but my cycle finished on sunday. but it's a dark colour. should i be worried? or not?

An abnormal cycle: 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.