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Home > Wellness > Health Library > Physical Development, Ages 1 to 12 Months
Babies grow rapidly during the first year of life. Weight,
length, and head circumference measurements are plotted on growth charts to
monitor your baby's growth over time. Most babies:
The soft spots, or
fontanelles, on top of a baby's skull begin to close
at 6 months but won't completely grow together until sometime between the 9th
and 18th month.
When your baby is about 6 months old,
teething may begin. Teeth may not yet break
through the gums at this age, but your baby may drool, chew on objects or
hands, and act fussy from the pressure of new teeth coming in.
is important to keep in mind that each baby is different, and growth patterns
can change between routine well-child checkups. If you have concerns, talk to
your doctor about the many things that can affect your baby's growth. Physical growth requires adequate nutrients and a nurturing
ByHealthwise StaffPrimary Medical ReviewerJohn Pope, MD - PediatricsSpecialist Medical ReviewerLouis Pellegrino, MD - Developmental Pediatrics
Current as ofSeptember 9, 2014
Current as of:
September 9, 2014
John Pope, MD - Pediatrics & Louis Pellegrino, MD - Developmental Pediatrics
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