Last period on feb 17 normally my cycle doesn't pass 31 days on day 43started spotting bright red with bad cramp today their gone the cramps, help me

Menstruation: Periods vary widely from woman to woman. Some periods are punctual, some are unpredictable. See your doctor who may prescribe you oral contraceptives to regulate your menstrual period.

Irregular periods: Irregular periods are 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