In the United States, menarche (onset of menstruation) typically occurs around age 12, although some youngsters start puberty when they are only eight or nine, others when they are well into their teens.
In 1982-3, men were more likely to pay much more for girls who reached menarche at an early age.
Menarche may be the first outward indication of your blossoming adulthood.
Once menarche (the first period) begins, you may feel frightened, shocked, and confused.
Girl puberty consists of many changes, from the beginning of menarche to the rapid social and cognitive developments taking place in the brain.
For girls, the hormone estrogen substantially increases, leading to breast development, a curvier figure, and menarche, which is the first period.
In some, a girl begins to wear the skirt after menarche; in others menarche is recognized by a change from a small leather panel skirt to a fringed skirt that wraps all the way around the body.
Secondary amenorrhea is defined as the absence of menstruation after menarche has taken place.
Menarche, the first menstrual period, happens relatively late in puberty.
Regular ovulation and the ability to carry a baby to full term usually follow menarche by several years.
Chumlea, William Cameron, et al. "Age at Menarche and Racial Comparisons in U.S. Girls."
If it did not happen in Stage Three, menarche (first menstruation) should start now.
Primary dysmenorrhea usually presents during adolescence, within three years of menarche.
It is unusual for symptoms to start within the first six months after menarche.
The word usage examples above have been gathered from various sources to reflect current and historial usage. They do not represent the opinions of YourDictionary.com.