Menstruation is the most visible phase of the menstrual cycle and its beginning is used as the marker between cycles. The first day of menstrual bleeding is the date used for the last menstrual period …

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 even after it seems …

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 you are not …

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 feel sick after …

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 it comes a few …

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 shorter end of the …

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 Menstruation? Menstruation is …

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 near …

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 cause menstrual …

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