I usually get my period every 14 days, its been like this for 4 years now. its been 30 days now and i still havent gotten my period yet and my my breasts have been extremely sore for 3 weeks. im not sexually active so what could it be?

Common problem : 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.