Menarche defines the onset ofmenstruation, 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.
Menarche happens during a time of physical and sexual maturation in adolescence known aspuberty.
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The Onset of Menarche
The onset of menarche is sort of predictable.
It is also a time when girls can become moodier and start to talk back to their parents.
A girls growth spurt typically happens a few months before menarche.
The timing of menarche is important.
This is not normal and needs further medical attention.
This is known as delayed menarche or primary amenorrhea.
Very rarely a girl could have a congenital absence of her uterus a condition called Mayer-Rokitansky-Kuster-Hauer Syndrome.
The onset of menarche marks the beginning of the reproductive years of a womans life.
Actually beginning just before the first menstrual period a girl has had her first ovulation.
It is actually that first ovulation that causes the first period or menarche.
Once a girl ovulates she can get pregnant.
Menarche is a normal process.
It is a point in time that begins a womans reproductive years.
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