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 ...

For many women, missing a menstrual cycle can immediately spark worry or confusion. The most common assumption is pregnancy, but doctors caution that a missed period does not always mean conception.

Missed periods can be caused by stress, rapid weight loss, breastfeeding, or hormonal changes. Conditions like PCOS, thyroid problems, or primary ovarian insufficiency can also affect your period. A ...