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 …

PERIOD definition: 1. a length of time: 2. a fixed time during the life of a person or in history: 3. in school, a…. Learn more.

Jan 11, 2026 · Menstruation (or period) happens monthly. As the uterus sheds its lining, vaginal bleeding follows. Menstrual blood is made of blood and tissue.

Aug 31, 2017 · The menstrual period, which we commonly refer to as just a “period,” is the shedding of your uterine lining (your endometrium). Blood and endometrial tissue flow down through your cervix …

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]

Jul 30, 2020 · What is a period? A period refers, specifically, to the period where you're actually bleeding. Technically speaking, it's the part of your menstrual cycle when the uterus sheds its lining.

Menstruation (also called a period) is the shedding (bleeding) of the uterus lining as part of your menstrual cycle. The uterus lining thickens each month to prepare the body for pregnancy. Periods …

A period is the part of the menstrual cycle when a woman bleeds from her vagina for a few days. For most women this happens around every 28 days, but it's common for periods to be more or less …

What is a period? Your period begins your menstrual cycle. This is when your body releases unfertilized eggs and sheds the lining of your uterus. Day 1 of your period is considered day 1 of your menstrual …