What is the start age of girls average?

Fewer than 10% of U.S. girls start to menstruate before 11 years of age, and 90% of all U.S. girls are menstruating by 13.8 years of age, with a median age of 12.4 years. This age at menarche is not much different (0.3 years earlier) than that reported for U.S. girls in 1973.
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What is the start age of girls average?

Most girls will have their first period when they’re between 11 and 14½, but anywhere from 9-16 years is considered normal. If a girl has a major growth spurt and has grown some underarm hair, periods are likely to be just around the corner.

What is the start age of girls average?

Most girls start their periods when they’re about 12, but they can start as early as 8, so it’s important to talk to girls from an early age to make sure they’re prepared before the big day. Many parents feel awkward talking about periods, especially with pre-teen girls, who can seem to get easily embarrassed.

What is the start age of girls average?

The study revealed that the mean age of menarche in the participating girls from Karachi was 11.68±1.147 years (n=275). About 0.8% of the girls attainted early (8 years) and late menarche (16 years) while the majority 36.2% of girls matured around the age of 12 years.