A late period can be caused by exercise, low or high body weight, or pregnancy. If you're not pregnant and your period isn't ...
If you've missed a period it may be due to your birth control, a sudden change in weight, or certain medications.
Medically reviewed by Kiarra King, M.D. If you're waiting for a delayed period, you may wonder whether you're pregnant. But pregnancy isn't the only reason your period could be late. Common reasons ...