Menstruation - Wikipedia
网页Menstruation (also known as a period, among other colloquial terms) is the regular discharge of blood and mucosal tissue from the inner lining of the uterus through the vagina. The menstrual cycle is characterized by the rise and fall of hormones.
Menstrual cycle - Wikipedia
网页The menstrual cycle is a series of natural changes in hormone production and the structures of the uterus and ovaries of the female reproductive system that makes pregnancy possible. The ovarian cycle controls the production and release of eggs and the cyclic release of estrogen and progesterone.
Menstrual cycle: What's normal, what's not - Mayo Clinic
网页2023年4月22日 · Your menstrual cycle might be regular — about the same length every month — or somewhat irregular. Your period might be light or heavy, painful or pain-free, long or short, and still be considered typical. Within a …
What is Menstruation? | Get Facts About Having Your Period
网页Menstruation — aka having your period — is when blood and tissue from your uterus comes out of your vagina. It usually happens every month. Problems with your period? Find a Health Center. What’s the menstrual cycle? Your menstrual cycle helps your body prepare for pregnancy every month. It also makes you have a period if you’re not pregnant.
Period Symptoms and Signs: Normal, and When to See a Doctor
网页2022年2月4日 · What is a normal menstrual cycle? Typical menstrual symptoms. Abnormal symptoms. Treatment. Takeaway. You may experience period symptoms before your period starts as part of premenstrual...
Menstrual Cycle (Normal Menstruation): Overview & Phases
网页2022年12月9日 · 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.
Menstruation: Periods, the menstrual cycle, PMS, and treatment
网页2023年4月21日 · Menstruation, or a period, is when the lining of the uterus sheds and leaves the body as blood. It marks the beginning of a menstrual cycle.
Menstruation (Menstrual Cycle): Phases, What’s Normal - Verywell …
网页2023年10月31日 · 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. This article reviews menstruation and the menstrual cycle, when periods typically begin, what’s normal and what’s not, and how to manage bleeding and period symptoms.
Why Do Women Have Periods? - Healthline
网页2021年2月4日 · A period (menstruation) is normal vaginal bleeding that is a natural part of a healthy monthly cycle for a person with a uterus and ovaries. Every month, in the years …
Menstruation | Period | MedlinePlus
网页2024年2月29日 · Menstruation, or period, is normal vaginal bleeding that occurs as part of a woman's monthly cycle. Every month, your body prepares for pregnancy. If no pregnancy occurs, the uterus, or womb, sheds its lining.
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