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Diagram illustrating how the uterus lining builds up and breaks down during the menstrual cycle 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. Menstruation is triggered by falling progesterone ...
Menstrual cycle 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 ...
A study of a population of French women from 1670 and 1789 shows that those who married at age 20–24 had 7.0 children on average and 3.7% remained childless. Women who married at age 25–29 years had a mean of 5.7 children and 5.0% remained childless. Women who married at 30–34 years had a mean of 4.0 children and 8.2% remained childless. [20]
Because periods can reveal so much about a woman’s health, says Vash-Margita, all doctors — not just gynecologists — should pay attention to women’s periods. Vash-Margita says that regular ...
“During the menstrual cycle or a natural period, if a woman is not on birth control, the hormone levels fluctuate and cause the lining of the uterus to thicken and get ready for a potential ...
Irregular Periods A change in your menstrual cycle is often the first symptom of perimenopause, says Dr. Rosser. “It could be going from every 28 or so days to a shorter interval, like every 21 ...
Menstrual synchrony, also called the McClintock effect, [1] or the Wellesley effect, [2] is a contested process whereby women who begin living together in close proximity would experience their menstrual cycle onsets (the onset of menstruation or menses) becoming more synchronized together in time than when previously living apart.
More support for painful periods and the menopause are among the top priorities for women’s health in 2024, the Government has said. Maternity care will also be bolstered, including raising more ...