+**Periods** are the cyclical shedding of the uterine lining, a natural biological process primarily occurring in reproductive-aged females. This periodic flow is a key phase within the [Menstrual Cycle](/wiki/menstrual_cycle), typically indicating the absence of [Pregnancy](/wiki/pregnancy). It is a fundamental aspect of human [Reproduction](/wiki/reproduction) and overall health.
+## See also
+- [Hormones](/wiki/hormones)
+- [Puberty](/wiki/puberty)
+- [Reproductive Health](/wiki/reproductive_health)
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