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Menarche (/ m ə ˈ n ɑːr k i / mə-NAR-kee; from Ancient Greek μήν (mēn) 'month' and ἀρχή (arkhē) 'beginning') is the first menstrual cycle, or first menstrual bleeding, in female humans. From both social and medical perspectives, it is often considered the central event of female puberty, as it signals the possibility of fertility.
The first menstrual period occurs after the onset of pubertal growth, and is called menarche. The average age of menarche is 12 to 15 years. [1] [8] However, it may occur as early as eight. [2] The average age of the first period is generally later in the developing world, and earlier in the developed world.
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 research looked at more than 71,000 people born between 1950 and 2005 and found that, as time passed, all groups were experiencing their first periods at younger ages.
Jacobson explains, “During the first two years of menarche (the age of a woman’s first menstrual period), the positive feedback response to estrogen, which allows ovulation, can cause ...
Occurring during the luteal phase of the menstrual cycle (the time between ovulation and the start of menstruation), PMDD is a condition caused by your body's response to normal hormone changes ...
A menstruation celebration, first moon party, or period party, celebrates menstruation. [ 1 ] [ 2 ] [ 3 ] Different cultures and communities across the globe celebrate Menarche (first period). [ 4 ] This practice is followed by Apache , Ojibwe and Hupa tribal communities from different parts of North America, Ulithi tribe from South Pacific ...
Knowing the first day of a woman’s last menstrual period is useful in other ways. Dr. Arlene Go, an ob-gyn and specialist fellow studying endometriosis at Hera Biotech, tells Yahoo Life that it ...
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