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 (LMP).
Eventually it flows out of the body, at which point you get your next period — and a new menstrual cycle starts. Your menstrual cycle lasts from the first day of your period to the first day of your next period. A normal cycle can be as short as 21 days or longer than 35.
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 pregnant and...
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 menstrual phase is your actual period, or when you’re shedding your uterine lining and bleeding.
4 phases of the menstrual cycle: How to feel your best around your period
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.
Understand how to track your menstrual cycle and what to do about irregularities. Do you know when your last menstrual period began or how long it lasted? If not, it might be time to start paying attention. Keeping track of your menstrual cycles can help you understand what's typical for you.