Menstruation - Wikipedia
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 …
Menstrual Cycle (Normal Menstruation): Overview & Phases
Most people have their period (bleed) for between three and seven days. Is a three-day period normal? A period is normal if it’s anywhere between three and seven days.
What is Menstruation? | Get Facts About Having Your Period
Periods get lighter and shorter over time, or come when you don’t expect it. You may have spotting or cramping every once in a while until you stop getting your period, and sometimes even after it seems …
Menstrual cycle: What's normal, what's not - Mayo Clinic
Apr 22, 2023 · Your periods are less than 21 days or more than 35 days apart. You bleed between periods. You develop severe pain during your period. You suddenly get a fever and feel sick after …
Normal Period: Timing, Flow, Symptoms, and Tracking - WebMD
May 27, 2025 · What Is a Normal Period? A normal period (or normal menstruation) is different for everyone who menstruates. It also changes at different times of your life. For example, as you near …
Menstruation: 13 Period Facts You Need To Know - Health
Dec 10, 2025 · 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 …
Menstruation (Menstrual Cycle): Phases, What’s Normal
Sep 4, 2025 · Menstruation occurs when the lining of the uterus sheds by breaking down and leaving the body as blood. Most periods last around three to seven days. What Is Menstruation? Menstruation is …
Menstruation | Period | MedlinePlus
Jan 11, 2026 · Periods usually start between age 11 and 14 and continue until menopause at about age 51. They usually last from three to five days. Besides bleeding from the vagina, you may have: …
Your menstrual cycle - Office on Women's Health
Jan 13, 2025 · Throughout a monthly menstrual cycle, your body makes different amounts of chemicals called hormones to prepare for pregnancy. These changing hormone levels can cause menstrual …
Understanding Menstruation: Phases, Symptoms, and Period Tracking
Aug 26, 2022 · Explore the menstrual cycle, its phases, and how hormones influence menstruation. Learn about menstrual cramps, irregular periods, heavy bleeding, and PMS.