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 (/ 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.

Sep 1, 2020 · Menarche occurs in the setting of a maturing hypothalamic-pituitary-ovarian (HPO) axis. It relies on the following processes: normal hypothalamic and pituitary function, normal female reproductive anatomy, normal nutrition, and the general absence of other intervening chronic illnesses.

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. This cycle is a series of changes your body goes through to prepare for a...

Because menarche is such an important milestone in physical development, clinicians should educate adolescent girls and their caretakers about what to expect of a first menstrual period and the range for normal cycle length of subsequent menses.

Mar 31, 2025 · Most females experience their first period (menarche) between the ages of 8 and 15. The average age is 11 to 12. It is helpful to recognize the signs that your child's first period is about to start so that you can both feel more prepared. Menstruation is the result of puberty. Common signs of puberty include a growth spurt, breast development ...

Jul 12, 2023 · Menarche defines the onset of menstruation, which is a normal physiologic process that occurs at regular monthly intervals. Menarche typically occurs around age 12 but a few years earlier or later is completely normal.

Apr 15, 2019 · Menstruation is a result of puberty. This is when your body becomes capable of reproduction. When your menstrual cycle begins, your estrogen levels increase. That causes the lining of your...

Menarche is another name for the very first menstrual period. Below, Flo discusses when to expect a girl’s first period, telltale signs of menarche, and period management techniques.

Menarche, the onset of menstruation, is a key developmental marker of a girl’s healthy transition from childhood into young adulthood and an important clinical indicator of girls’ physical, nutritional, and reproductive health 2.