Diagram illustrating how the uterine lining builds up and breaks down during the menstrual cycle. Menstruation (also known as a period, among other colloquial terms) is the regula

Periods get lighter and shorter over time, or come when you don’t expect it. You may have spotting or cramping every once in a while until you stop getting your period, and sometimes …

Apr 22, 2023 · Your periods are less than 21 days or more than 35 days apart. You bleed between periods. You develop severe pain during your period. You suddenly get a fever and …

Dec 10, 2025 · Periods, also known as menstruation, occur when your uterus sheds its lining, causing blood and mucus to discharge from the vagina. 1 This usually occurs once a month if …

Sep 4, 2025 · Menstruation occurs when the lining of the uterus sheds by breaking down and leaving the body as blood. Most periods last around three to seven days. What Is …

Most people have their period (bleed) for between three and seven days. Is a three-day period normal? A period is normal if it’s anywhere between three and seven days. While on the …

There is a lot to learn about periods. Here are answers to some common questions. When Do Periods Usually Start? Most girls get their first period when they're around 12. But sometimes …

May 27, 2025 · What Is a Normal Period? A normal period (or normal menstruation) is different for everyone who menstruates. It also changes at different times of your life. For example, as you …

Jan 13, 2025 · Throughout a monthly menstrual cycle, your body makes different amounts of chemicals called hormones to prepare for pregnancy. These changing hormone levels can …

Find out about periods, including when they usually start and finish, period products, PMS, getting pregnant, and changes to your periods.