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Menarche refers to your first period, or your first time menstruating. Most people get their periods between 11 and 14. Signs of menarche include light bleeding, cramping and mood swings. Menarche marks an important milestone during puberty when you’re capable of becoming pregnant.
Two of the most significant signs are: Breast development (“thelarche”) starts 2 to 3 years before the first period, often around age 8. Pubic hair development (“pubarche”) usually happens 1 to 2 years before the first period. The average age for pubarche is 11.6 years old.
The average age of menarche was about 12.7 years in Canada in 2001, [8] and 12.9 in the United Kingdom. [9] A study of girls in Istanbul, Turkey, in 2011 found the median age at menarche to be 12.7 years.
Menarche typically occurs within 2–3 years after thelarche (breast budding), at Tanner stage IV breast development, and is rare before Tanner stage III development 7. By age 15 years, 98% of females will have had menarche 2 .
By 15 years of age, approximately 98% of females will have undergone menarche, signaling the maturation of the adolescent female body. Menarche is commonly associated with the ability to ovulate and reproduce; the onset of menarche does not guarantee either ovulation or fertility.
On average, the menarche age for girls in the U.S. is around 12 or 13 years. The standard age range for menarche is between 11 and 15. However, young women can also experience early menarche (i.e., before 11 years) or delayed menarche (i.e., after 16 years).
The average age of menarche, or a girl’s first period, in the U.S. is now 12, according to the most recent data from the Centers for Disease Control and Prevention’s National Health and Nutrition...
They found the average age at menarche — when an individual gets their first period — decreased from 12.5 years in 1950 to 1969 to 11.9 years in 2000 to 2005.
Menarche typically occurs around age 12 but a few years earlier or later is completely normal. Menarche happens during a time of physical and sexual maturation in adolescence known as puberty. It is common for menarche to occur and then for a young girl not to get another period for a few months.
Overview. Your first menstrual period is called menarche (say "MEN-ar-kee"). It usually starts around age 12. But it may start earlier or later. See your doctor if you have not started having periods by age 15. Your period is a part of your menstrual cycle.