Spotting really light pinkish brown discharge lasted for about 2-3 days followed by 2 days of white/pink stringy discharge and week early light period?

Irreg period. 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.