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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 menstrual cycle is …

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

    4 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 you are not …

  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. 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 happen every 21 to …

  5. 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.

  6. Menstruation (Menstrual Cycle): Phases, What’s Normal

    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.

  7. 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 conditions to weight …

  8. 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.

  9. Your menstrual cycle - Office on Women's Health

    Jan 13, 2025 · A menstrual cycle begins with the first day of your period, or menstruation [MEN-stroo-AY-shuhn] and starts over again when the next period begins. Throughout a monthly menstrual …

  10. 4 phases of the menstrual cycle: How to feel your best around your period

    Jul 29, 2025 · Getting your period can be stressful for all kinds of reasons. You might feel more tired than usual. You might get especially bad cramps, or have a hard time curbing food cravings. …