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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 ...
Menstruation (also called menstrual bleeding, menses or a period) is the first and most evident phase of the uterine cycle and first occurs at puberty. Called menarche, the first period occurs at the age of around twelve or thirteen years. [8] The average age is generally later in the developing world and earlier in the developed world. [42]
The theme of transformation around the menarche is similarly present in Turning Red (2022), although the film also explores other aspects of puberty as a whole and the protagonist does not actually start her first period. Girls experiencing their first period is part of many movies, particularly ones that include coming-of-age plot lines, such ...
Girls who get their periods on the earlier side are at a slightly higher risk for breast cancer, according to the Susan G. Komen foundation, which specifically calls out data that says girls who ...
The following day, metestrus, is called early diestrus or diestrus I. During this day, the corpora lutea grow to a maximal volume, achieved within 24 hours of ovulation. They remain at that size for three days, halve in size before the metestrus of the next cycle and then shrink abruptly before estrus of the cycle after that.
A niddah (alternative forms: nidda, nida, or nidah; Hebrew: נִדָּה nidá), in traditional Judaism, is a woman who has experienced a uterine discharge of blood (most commonly during menstruation), or a woman who has menstruated and not yet completed the associated requirement of immersion in a mikveh (ritual bath).
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. "For example ...
In addition, at least one-third of girls missed school during their periods due to a lack of accessible toilets or pads. [ 95 ] There is also a ritual surrounding young girls, [ 9 ] which starts with their first menstruation and ends with them receiving soft sex education.