There are two periods when girls grow the fastest. The first period is from 0 to 1 year old, and the second period is when they enter the early stages of puberty.
1.0 ~ 1 year old, especially the first three months of infants, growth is particularly fast, the average monthly growth of 3.5cm, the first year of growth of about 25 ~ 26cm, 1 year old gradually slowed down, the second year of the annual increase of about 12cm, 2 years old to puberty before the annual increase of about 5 ~ 8cm.
2. enter puberty, about 10 ~ 12 years old, the beginning of youth development, the body of estrogen secretion increases, accelerate epiphyseal closure, so that the growth of especially fast, the girl can grow 6 ~ 8cm per year, the entire fierce long-term average growth of 25cm. to the late puberty, the growth of height gradually become slower, epiphyses gradually closed, puberty basically stop growing.
In addition, growth by genetic, disease and acquired many factors, there are height abnormalities, to go to the hospital in a timely manner to the Department of Internal Pediatrics Secretion, early intervention and treatment, otherwise fully into puberty, epiphyseal closure there is no opportunity for intervention and treatment.