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First, take a deep breath. A late period is very common and, in most cases, not dangerous. The menstrual cycle is sensitive and can be affected by stress, lifestyle, hormones, and health changes.

Everyone who has periods knows that they don’t always come when they’re supposed to. Sometimes they’re late, other times they last way too long, and sometimes they’re early, ruining a perfectly good ...

My period is, and always has been, very regular, reliably arriving every 21 days. So when it was 10 days late this past September, I freaked out and called my doctor to figure out what the heck was ...