My period lasted 4 days but it was super light now 4 days later I'm cramping have pink spotting when I wipe, sore breasts and fatigue is that normal?

Schedule follow up . 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.