A late period is being overdue for a woman's menstrual cycle. So, if there's more than the normal days expected of a menstrual cycle, that could already be a sign of a late period. If normally her periods are every 28 days but gets delayed by a couple of days or even more, then that is already a late period. Missed your period? Discover common signs, symptoms, and reasons for a late period beyond pregnancy, including stress, hormonal changes, and medical conditions. Learn when to seek medical advice. A missed or late period can have a variety of causes, and pregnancy is just one of them. Find out about five major causes of late periods — some might surprise you! Discover 10 reasons why your period might be late. From stress to hormonal fluctuations, uncover the potential causes behind your delayed menstrual cycle.