Period may 4th-8th. recently stopped bc. had sex 5th&8th. calendar says fertile window. light pink red spotting today may 15th. what could be cause? u

Spotting: Spotting is 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.