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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 average age of a girl's first period is 12 to 13 (12.5 years in the United States, [6] 12.72 in Canada, [7] 12.9 in the UK [8]) but, in postmenarchal girls, about 80% of the cycles are anovulatory in the first year after menarche, which declines to 50% in the third year, and to 10% by the sixth. [9]
The first period, a point in time known as menarche, usually begins between the ages of 11 and 13. [1] Menstruation starting as young as 8 years would still be considered normal. [2] The average age of the first period is generally later in the developing world, and earlier in the developed world. [3]
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When experiencing menarche, the blood flow (colloquially described as having one's "period") can vary from a slow and spotty discharge to a consistent blood flow for 3–7 days. The color of the blood ranges from bright red to brown in color; this is normal. Periods may be light or heavy. [15]
Efforts are now being made to reduce period poverty in Scotland, as it became the first country in the world to make period products free in August 2022. [178] The Period Products Act made it a legal duty for local authorities to provide free period products such as tampons and sanitary pads to "anyone who needs them." [178]
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 ...