Severe microcephaly is a more serious, extreme form of this condition where a baby’s head is much smaller than expected. Severe microcephaly can result because a baby’s brain has not developed properly during pregnancy, or the brain started to develop correctly and then was damaged at some point during pregnancy.
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.
When should I be concerned about my baby’s head size?
Macrocephaly means big head, and it is the name for a condition in which an infant or child has an abnormally large head size. For a doctor to diagnose macrocephaly, the measurement of the head around its widest part needs to be larger than the 98th percentile.
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 intellectual disability. Some children with small heads have normal intelligence.
Does a small head always mean microcephaly?
Some children with microcephaly are both with normal intelligence and have normal developmental milestones, but their heads will always be smaller than normal children for their age and sex. Microcephaly in children is a rare and genetic condition.
What causes small head size in infants?
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.
Does baby head size determine intelligence?
The children took IQ tests when they were 4 years old and 8 years old. Those with the biggest heads tended to have the highest IQ scores. The researchers found that head growth by age 1 was the key factor. Catch-up growth didn’t matter as much.
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.
What is the head circumference of a 3 month old baby?
Poor growth – Head circumference-for-age boys
|Age||Weight (kg)||Head Circumference (cm)|
When do babies heads grow the most?
His or her head will grow ¼ inch per month between 6 months and 1 year of age. His or her head should measure close to 17 inches around by the time he or she is 6 months old and 20 inches by 1 year of age.
Are babies with small heads less intelligent?
Preliminary studies have suggested links between brain size, head size, and IQ, but head circumference isn’t directly correlated with intellect. Among the many things that expectant parents hope for in a newborn is, a big head — maybe not so much at birth, but shortly thereafter.
Do babies with microcephaly smile?
Marques said that head control, the ability to lift and support the head without help, in babies with microcephaly was “quite rare.” Having a social smile and eye contact is less rare, he said, depending on the type of visual damage and on whether they receive enough visual stimulation to strengthen their ability to …
How do you know if your baby has microcephaly?
After birth, a baby with microcephaly may have these signs and symptoms: Small head size. Failure to thrive (slow weight gain and growth) High-pitched crying.
What is the life expectancy of microcephaly?
The prognosis for a child who has microcephaly depends on the other medical conditions the child has. In general, life expectancy for children who have microcephaly is reduced, and the prospects of attaining normal brain function is poor.
Can microcephaly go away?
There’s no cure for microcephaly, but there are treatments to help with development, behavior, and seizures. If your child has mild microcephaly, they’ll need regular doctor checkups to monitor how they grow and develop. Children who have more severe cases need lifelong treatment to control symptoms.
Can you live a normal life with microcephaly?
There is no standard life expectancy for microcephalic babies because outcomes depend on so many factors, and the severity of the condition can range from mild to severe. Babies with mild microcephaly may still meet the same milestones like speaking, sitting and walking as a child without the disorder.