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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 ...
A global study conducted in 2021 showed that roughly 500 million women and girls experience period poverty. [191] The effects of period poverty can range from physically not being able to attend school, work, or both while menstruating, as well as negatively impact mental health. [191]
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 ...
Girls deserve to feel prepared for their periods—not shocked or embarrassed about normal menstrual blood. We need to reach girls before and around their first period if we want to give them a ...
Five Tanner stages of male genitalia; The Adolescent Period In males, testicular enlargement is the first physical manifestation of puberty (and is termed gonadarche ). [ 30 ] Testes in prepubertal males change little in size from about 1 year of age to the onset of puberty, averaging about 2–3 cm in length and about 1.5–2 cm in width.
In addition to tracking the day that periods start, Dr. Myda Luu, area specialty chief of ob-gyn for Kaiser Permanente, recommends that people who menstruate track “cycle duration, frequency and ...
At puberty, the first monthly period known as menarche marks the onset of menstruation. [50] In prepubertal girls, the skin of the vulva is thin and delicate, and its neutral pH makes it prone to irritation. [51]
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