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  1. Menstruation - Wikipedia

    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] The …

  2. Menstruation: 13 Period Facts You Need To Know - Health

    5 days ago · 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 …

  3. What is Menstruation? | Get Facts About Having Your Period

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

  4. 10 Signs Your Daughter’s First Period Is About to Start

    22 hours ago · A female’s first menstrual period, known as menarche, occurs during puberty. 1 Menstruation indicates that the body is mature enough for reproduction. About 98% of girls …

  5. Menstrual cycle: What's normal, what's not - Mayo Clinic

    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 …

  6. Normal Period: Timing, Flow, Symptoms, and Tracking - WebMD

    May 27, 2025 · In general, a normal cycle ranges from 21 to 34 days, and the average period lasts two to seven days. Irregularities can be caused by many things, from hormonal …

  7. 22 period facts you might not have heard in health class - Flo

    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 …

  8. Menstrual Cycle (Normal Menstruation): Overview & Phases

    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.

  9. Menstruation | Period | MedlinePlus

    Feb 29, 2024 · Menstruation (or period) happens monthly. As the uterus sheds its lining, vaginal bleeding follows. Menstrual blood is made of blood and tissue.

  10. All About Periods (for Teens) | Nemours KidsHealth

    It may look like a lot of blood, but a girl usually only loses a few tablespoons of blood during the whole period. Most girls need to change their pad, tampon, or menstrual cup about 3‒6 times …