Factors that can cause a late period include stress, weight loss, obesity, and hormonal conditions. Learn about eight common causes and when to see a doctor. If you've missed your period but you're not pregnant, there are other reasons. Learn about hormonal change and other possible causes of a late or missed period. Learn about the possible causes of late periods, from pregnancy to stress, and how to deal with them. Find out when to see a healthcare provider and what treatments are available. 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!
