The medical term for a large head is “macrocephaly.” Most of the time, it isn’t a serious condition, so parents don’t need to worry about it. In rare cases, however, it can be an indication that your baby has other health conditions.
Should I be concerned if my baby’s head is small?
Chances are your doctor will detect microcephaly at the baby’s birth or at a regular well-baby checkup. However, if you think your baby’s head is smaller than normal or isn’t growing as it should, talk to your doctor.
Is my baby’s head growing too fast?
It’s normal for a baby’s head to grow a lot during the first year. But with congenital hydrocephalus, the head may grow faster than the normal rate for a baby’s height and weight. The condition may cause the soft spot (fontanelle) on your baby’s head to feel firm or bulge out.
What is abnormal head circumference?
Macrocephaly refers to an overly large head. It’s often a symptom of complications or conditions in the brain. There’s a standard used to define macrocephaly: The circumference of a person’s head is more than two standard deviations above average for their age. Or, their head is larger than the 98th percentile.
Preliminary studies have suggested links between brain size, head size, and IQ, but head circumference isn’t directly correlated with intellect.
Can babies with small heads be normal?
Microcephaly is a condition where a baby’s head is much smaller than normal. It is most often present at birth (congenital). Most children with microcephaly also have a small brain and an intellectual disability. Some children with small heads have normal intelligence.
What does a baby head circumference tell you?
A: A baby’s brain and head do 80 percent of their growing during the first two years. Measuring head circumference helps doctors track the brain’s growth as the skull bones fuse together. It’s normal for a baby’s head size to seem disproportionate to her height and weight.
Is small head circumference normal?
Microcephaly is a condition where the head (circumference) is smaller than normal. Microcephaly may be caused by genetic abnormalities or by drugs, alcohol, certain viruses, and toxins that are exposed to the fetus during pregnancy and damage the developing brain tissue.
What is the normal range of head circumference for a newborn?
The average head circumference at birth is about 13.5 in. (34.5 cm). By the end of the first month, it increases to about 15 in.