Honest, research-backed articles about child growth, height genetics, and what actually determines how tall your child will grow up to be.
Is your child a late bloomer or could there be a growth concern? Learn the key differences between constitutional growth delay and growth hormone deficiency — and when to see a doctor.
Read article arrow_forwardAverage heights in Singapore, China, Japan, and Southeast Asia differ from Western CDC norms. See regional height data for children and adults, and what it means for your child's growth.
Read article arrow_forwardThe average height for an 8 year old boy is 128 cm (4 ft 2 in) and for a girl is 127 cm (4 ft 2 in). Full CDC percentile tables for both sexes.
Read article arrow_forwardBoys grow 20–30 cm during puberty, with the fastest year seeing 8–12 cm of growth. Learn when the growth spurt starts, peaks, and ends — and how to predict final adult height.
Read article arrow_forwardThe average height for a 12 year old boy is 151 cm (4 ft 11 in). See the full CDC percentile table, puberty growth spurt context, and when to see a doctor.
Read article arrow_forwardThe average height for a 10 year old girl is 139 cm (4 ft 7 in). See the full percentile table, puberty context, and find out when to talk to a doctor.
Read article arrow_forwardThe average height for a 10 year old boy is 138 cm (4 ft 6 in). See the full percentile table, learn what's normal, and find out when to talk to a doctor.
Read article arrow_forwardIs your child on track? Height percentile charts for every age from 4 to 16, based on CDC growth data, with guidance on what the numbers actually mean.
Read article arrow_forwardGenetics sets the ceiling, but nutrition determines how close your child gets to it. Here's what the science actually says about food, growth nutrients, and your child's height potential.
Read article arrow_forwardHeight is controlled by thousands of genes, not one. Find out why your child might end up taller or shorter than both parents, and what the science actually says about predicting adult height.
Read article arrow_forwardUse our free, science-based height predictor. Takes less than a minute.
Try the Height Predictor arrow_forward