When does human head growth stop?
Human head growth is a complex process that begins in the womb and continues until adolescence. The average newborn's head circumference is around 35 centimeters (13.8 inches). By the age of 6 months, the head circumference has grown to around 45 centimeters (17.7 inches). Head growth slows down significantly after the first year of life, but it continues to grow gradually until the age of about 18 years.
The rate of head growth is influenced by a number of factors, including genetics, nutrition, and overall health. Children who are malnourished or who have certain medical conditions may experience slower head growth.
The closure of the cranial sutures, which are the joints between the bones of the skull, marks the end of head growth. The cranial sutures begin to close at different ages in different people, but they are usually all closed by the age of 22 years.
Once the cranial sutures are closed, the head can no longer grow in size. However, the brain can continue to grow and develop throughout adulthood.
Related Questions
- What factors influence the rate of head growth?
- What is the average head circumference of a newborn?
- By what age does the head circumference reach around 45 centimeters?
- When do the cranial sutures begin to close?
- At what age are the cranial sutures usually all closed?
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