I'm 3 days before my expected period and twice now i've passed a small amount of pale pinkish tissue while voiding. i'm trying to conceive ?

Check preg test: Irregular bleeding is one of the most common problems obgyns treat. If this is one time problem it usually resolves on its own. If a recurring problem you get evaluated. Infections, polyps, fibroids & 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