Menstruation - Wikipedia
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: What's normal, what's not - Mayo Clinic
2023年4月22日 · 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.
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 to have stopped — this is normal.
What’s a Normal Menstrual Period? - WebMD
2024年3月6日 · When it comes to periods, "normal" covers a lot of ground. Use the broad range of factors below as a guide. And remember: The only true normal is what's normal for you. …
Why do we get periods? - Clue
2017年8月31日 · Blood and endometrial tissue flow down through your cervix and vagina. Why does a period happen? A period releases the tissue that grew to support a possible pregnancy. It happens after each menstrual cycle in which a pregnancy doesn’t occur — when an egg hasn’t been fertilized and/or attached itself to the uterine wall.
Menstruation (Menstrual Cycle): Phases, What’s Normal
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. What Is Menstruation? Menstruation is a natural part of life. Throughout the month, your uterus builds up its lining to support a possible pregnancy.
Why Do Women Have Periods? - Healthline
2021年2月4日 · As a woman, your period is your body’s way of releasing tissue that it no longer needs. Every month, your body prepares for pregnancy. The lining of your uterus gets thicker as preparation for...
- 某些结果已被删除