Menstruation is the most visible phase of the menstrual cycle and its beginning is used as the marker between cycles. The first day of menstrual bleeding is the date used for the last menstrual period …

Jul 27, 2025 · Understanding your menstrual cycle can help you know which phase of your cycle you’re in, learn what’s normal for you, and know when to talk to your doctor. Phase 1: Menstrual phase. The …

Mar 25, 2019 · What is a normal menstrual cycle? Your period — and the PMS symptoms that can accompany it — is just one part of your monthly menstrual cycle.

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.

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 …

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

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.

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.

Feb 22, 2021 · Top questions about the menstrual cycle. What is a typical menstrual cycle like? What is a normal amount of bleeding during a menstrual period? Should I track my menstrual periods?

Aug 26, 2022 · Menstruation is the monthly bleeding that happens during a woman's menstrual cycle. The menstrual cycle is the series of hormonal changes that a female’s body goes through in …