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News about menstrual cycle, brain structure, lunar phases
News about uterine cancer, ovarian cancer, symptoms
News about Canker sores, period, causes
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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. The uterine cycle governs the preparation and maintenance of the lining of the uterus (womb) to receiv... Wikipedia