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.

A missed period can be worrying, especially when you take a pregnancy test and the results are negative. It’s normal to feel anxious when your body doesn’t follow its usual routine. Many people ...

Add Yahoo as a preferred source to see more of our stories on Google. FotoDuets/Getty Images For many people, a missed period is the first signal that they're pregnant. However, this often isn't the ...

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

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 ...