Period
Period (Medicine)
Period (pronounced: /ˈpɪəriəd/), also known as menstruation or menstrual cycle, is a natural biological process that occurs in females of reproductive age. The term originates from the Latin word "periodus" meaning "recurring cycle".
Definition
A period is the shedding of the lining of the uterus (endometrium) accompanied by bleeding. It occurs approximately every 28 days, but can vary from 21 to 35 days in adults and from 21 to 45 days in young teens.
Symptoms
Symptoms of a period can include abdominal cramping, bloating, irritability, breast tenderness, and fatigue. These symptoms are often referred to as premenstrual syndrome (PMS).
Related Terms
- Menstrual Cycle: The monthly cycle of changes in the ovaries and the lining of the uterus (endometrium), starting with the preparation of an egg for fertilization.
- Ovulation: The release of the egg from the ovary, typically occurring in the middle of the menstrual cycle.
- Premenstrual Syndrome (PMS): A group of symptoms that occur in women, typically between ovulation and a period.
- Endometrium: The lining of the uterus which is shed during menstruation.
See Also
External links
- Medical encyclopedia article on Period
- Wikipedia's article - Period
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