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Menstruation

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. The menstrual blood is partly blood and partly tissue from inside the uterus. It passes out of the body through the vagina.

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:

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Results 1 - 10 of 3,872 for Periods
  1. Menstruation (National Library of Medicine)  
    Menstruation, or period, is normal vaginal bleeding that occurs as part of a woman's monthly cycle. Every month, your body prepares ... passes out of the body through the vagina. Periods usually start between age 11 and 14 and ...
  2. Period Pain (National Library of Medicine)  
    What are painful periods? Menstruation, or period, is normal vaginal bleeding that happens as part of a woman's monthly cycle. Many women have painful periods, ...
  3. Absence of a woman's monthly menstrual period is called amenorrhea. Secondary amenorrhea is when a woman who has been having normal menstrual cycles stops getting her periods for 6 ...
  4. Absence of a woman's monthly menstrual period is called amenorrhea. Primary amenorrhea is when a girl has not yet started her monthly periods, and she: Has gone through other ...
  5. Painful menstrual periods are periods in which a woman has crampy lower abdominal pain, which can be sharp or aching and come and go. Back ...
  6. ... a woman's menstrual cycle, when she gets her period. Every woman's period is different. Most women have cycles between 24 ... in most cases. Young girls may get their periods anywhere from 21 to 45 days or more ...
  7. Vaginal Bleeding (National Library of Medicine)  
    Menstruation, or period, is a woman's monthly bleeding. Abnormal vaginal bleeding is different from normal menstrual periods. It could be bleeding that is between periods, ...
  8. ... bleeding that occurs between a woman's monthly menstrual periods. Such bleeding may be called "intermenstrual bleeding." Related ... Dysfunctional uterine bleeding Heavy, prolonged, or irregular menstrual periods
  9. ... also grow hair in your armpits. Get your period. See "menstrual periods" below. Get some pimples or acne. This is ... You may wonder when you will get your period. Usually girls get their period about 2 years ...
  10. ... progesterone (Crinone) is also used to bring on menstruation (period) in women experiencing (absence of menstruation in women of childbearing age who have had ...
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