Most girls reach their adult height by the age of 14 or 15. This is typically a couple of years after menstruation begins. However, the exact age varies from girl to girl.
Factors Influencing Growth Cessation
Several factors influence when a girl stops growing:
- Puberty: The timing of puberty plays a significant role. The growth spurt during puberty is largely driven by hormonal changes. Once estrogen levels rise, growth hormone is antagonized and growth slows. Growth usually ceases approximately 24 months after menarche (the first menstrual period).
- Genetics: A girl's genetic predisposition plays a significant role in determining her final height. Family history of height can provide some indication of potential adult height.
- Individual Variation: Growth is not uniform across all individuals. There will be some variation in the age at which growth plates fuse and growth ceases.
Understanding the Growth Process
Girls experience a significant growth spurt between the ages of 10 and 14. During this time, they may gain several inches in height. Once the growth spurt ends, the growth plates in their bones fuse, and further height increase is impossible.
While most girls stop growing by 14 or 15, some might continue to grow slightly longer. However, significant height gain after age 15 is unlikely.