Patient's question:
Medical Description: Female, around 8 years old with breast development, experienced menarche at 9 and a half years old. Is this normal?History of Treatment and Effectiveness: No treatment has been administered.
Desired Help: Can the menstrual period be corrected or delayed? Will it affect her future development?
Doctor's answer:
Girls who start menstruating early also enter puberty at an earlier age. While most girls experience a significant growth spurt in height between 11 and 12 years old, these girls see a substantial increase in height by 8 or 9 years old (an annual growth of 7–8 cm), with their weight approaching 40 kilograms. Most girls begin breast development around 11 years old, but these girls start developing breasts between 9 and 10 years old.Another important characteristic is that girls who experience menarche between 9 and 10 years old have a bone age significantly greater than their chronological age. For example, a girl who starts menstruating at 9.5 years old may have a bone age of 13.3 years. The phenomenon of girls maturing faster than their chronological age is more common among students, and females tend to exhibit earlier development compared to males.