My cycle came 4days late , have pcos and my cycle is causing my ovaries to hurt , is very painful , have a lot of blood clots , blood is very dark .

A late cycle: 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.