Menstruation - Wikipedia
Menstruation (also known as a period, among other colloquial terms) is the regular discharge of blood and mucosal tissue from the …
Menstrual Cycle (Normal Menstruation): Overview & Phases
Dec 9, 2022 · What is menstruation? Menstruation is the monthly shedding of the lining of your uterus. Menstruation is also known by …
Menstrual cycle: What's normal, what's not - Mayo Clinic
Jun 3, 2026 · Do you know when your last menstrual period began or how long it lasted? If not, it might be time to start paying …
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 …
Menstrual health - World Health Organization (WHO)
Jun 18, 2026 · WHO fact sheet on menstrual health provides key facts and information on symptoms, scope, education and response.
Menstruation | Definition & Process | Britannica
Menstruation, periodic discharge from the vagina of blood, secretions, and disintegrating mucous membrane that had lined the …
Menstruation | Period | MedlinePlus
May 28, 2026 · Menstruation (or period) happens monthly. As the uterus sheds its lining, vaginal bleeding follows. Menstrual blood is …
Stages of Menstrual Cycle: Menstruation, Ovulation, Hormones, Mor
Jul 20, 2026 · Knowing the stages of the menstrual cycle can help put you in control of your body and empower you to know when to …
Menstruation (Menstrual Cycle): Phases, What’s Normal
Jul 2, 2026 · Menstruation occurs when the lining of the uterus sheds, turning to blood that flows out of the body. But what’s normal …
The Menstrual Cycle: Menstruation, Ovulation, and How Pregnancy ... - ACOG
A menstrual cycle is defined as the first day of menstrual bleeding of one cycle to the first day of menstrual bleeding of the next cycle.