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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.
The first day of menstrual bleeding is the date used for the last menstrual period (LMP). The typical length of time between the first day of one period and the first day of the next is 21 to 45 days in young women, and 21 to 35 days in adults. [2] [3] The average length is 28 days; one study estimated it at 29.3 days. [10]
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]
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 ...
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 ...
Dysmenorrhea, also known as period pain, painful periods or menstrual cramps, is pain during menstruation. [4][5][2] Its usual onset occurs around the time that menstruation begins. [1] Symptoms typically last less than three days. [1] The pain is usually in the pelvis or lower abdomen. [1] Other symptoms may include back pain, diarrhea or nausea.
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 ...
Typically menstruation as a topic is avoided, except for scenes involving menarche, a girl's first period. For example, as Elizabeth Arveda Kissling explains in her article, "On the Rag on Screen: Menarche in Film and Television", the 1991 film My Girl contains a scene where the main character, Vada, experiences her first period. The ...