Two weeks late, two negative blood pregnancy tests. usually get period every 30 days. what happened?

irregular cycles: 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. Your preg test is negative so you are not pregnant. There are many options available to help regulate the menstrual cycle. Schedule a visit.