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 …

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 …

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 …

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 …

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

Apr 25, 2025 · It’s time to break the stigma and talk openly about periods. These period facts, from a range of different studies and publications, highlight the impact menstrual cycles have on our lives, …

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 …

The average menstrual cycle lasts 28 days, but it is considered normal for periods to occur anywhere from 21 to 45 days apart. Some women may experience variations in the duration and flow of their …

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 …