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t. e. Menarche (/ məˈnɑːrki / 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.
Menstruation is triggered by falling progesterone levels, and is a sign that pregnancy has not occurred. The first period, a point in time known as menarche, usually begins between the ages of 12 and 15. [1] Menstruation starting as young as 8 years would still be considered normal. [2]
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]
Younger generations are getting their first periods earlier, and the length of time it takes to become regular is changing — which could point to later health problems, according to a new study ...
The first few times you get your period, it’s totally normal to feel caught off-guard. (But, ofc, not ideal.) (But, ofc, not ideal.) In fact, irregular periods are super common in the beginning.
Premenstrual syndrome (PMS) is a disruptive set of emotional and physical symptoms that regularly occur in the one to two weeks before the start of each menstrual period. [4][5] Symptoms resolve around the time menstrual bleeding begins. [4] Symptoms vary, [6] though commonly include one or more physical, emotional, or behavioral symptoms, that ...
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 ...
The first menstrual bleeding is referred to as menarche, and typically occurs about two years after thelarche. [53] The average age of menarche is 12½ in the United States. [58] Most American females experience their first period at 11, 12 or 13, but some experience it earlier than their 11th birthday and others after their 14th birthday.
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