Menstruation (also known as a period, among other colloquial terms) is the regular discharge of blood and mucosal tissue from the inner lining of the uterus through the vagina. [1]

Menstruation — aka having your period — is when blood and tissue from your uterus comes out of your vagina. It usually happens once every month.

period, epoch, era, age mean a division of time. period may designate an extent of time of any length. epoch applies to a period begun or set off by some significant or striking quality, change, or series of …

3 days ago · Your period can say a lot about your uterine health. From irregular periods to bad cramps, here’s how to tell what’s normal — and what might need a provider’s attention.

Apr 22, 2023 · What's typical? The menstrual cycle is counted from the first day of one period to the first day of the next. The cycle isn't the same for everyone. Menstrual bleeding might happen every 21 to …

Dec 9, 2022 · Your menstrual cycle begins on the first day of your period. Your cycle prepares your body for a possible pregnancy. The average cycle lasts between 24 and 38 days.

Aug 17, 2018 · Knowing the stages of the menstrual cycle can help put you in control of your body and empower you to know when to speak with a doctor. We’ll tell you all about the menstrual, follicular ...

Jun 21, 2023 · Females may experience a monthly cycle called menstruation or a period. Symptoms may vary between people, but can include cramps, bloating, acne breakouts, sore breasts, fatigue, …

Apr 25, 2025 · On average, our periods start when we’re around 13 years old and end when we’re around 51 years old, with a period every 28 days, lasting from two to seven days. This adds up to …

Sep 4, 2025 · Menstruation is period bleeding, which is casually referred to as “having your period.” This happens monthly (for most females) during your fertile years, except during pregnancy.