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.

Mar 13, 2023 · We’ll tell you all about the menstrual, follicular, ovulation, and luteal phases of your cycle, as well as what hormones and symptoms are at play in each of these phases.

Triggered by falling progesterone levels, menstruation (commonly referred to as a "period") is the cyclical shedding of the lining, and is a sign that pregnancy has not occurred. Each cycle occurs in …

Jul 29, 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 …

Jan 16, 2026 · Menstrual cycle, recurring fluctuations in hormone levels that produce physical changes in the uterus and ovaries to prepare the female body for pregnancy. In adult women, the menstrual …

Apr 22, 2023 · What's the menstrual cycle? The menstrual cycle is the monthly series of changes the body goes through to prepare for pregnancy. Each month, one of the ovaries releases an egg. This …

For menstruating women, an average menstrual cycle lasts 28 days. It starts with the first day of the last period and ends with the first day of the next menstrual period. However, the length of women's …

Sep 22, 2025 · The menstrual cycle is divided into four phases: menstrual, follicular, ovulation, and luteal. Each phase varies in symptoms and duration.

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 …

Apr 23, 2025 · Each menstrual cycle starts on the first day of a period (menstruation) and ends on the day before the next period. The length of the typical menstrual cycle is 28 days, but there is some...