Had unprotected intercourse,took plan b pill,missed my period for two months,got a neg preg test,spotted a couple weeks after for some hours.any help?

Options: 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, polyp, fibroids and hormonal changes can cause spotting. There are many options available to help regulate the menstrual cycle. If you think you might be pregnant check then check a home pregnancy test