I have a bleed after ovulation before my period, lasts 3 days & i still get my normal period on day 28. how can this b cured?i am not on contraception

Spotting: Irregular bleeding is 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.