Normal Fontanelle Closure Age
Keep in mind that these closing estimates are averages.
Normal fontanelle closure age. This is why it s normal for your baby s doctor or nurse to examine your baby s fontanelles during check ups. They then grow together as part of normal growth. The anterior fontanelle generally closes between 18 and 36 months of age.
It closes by 6 12 weeks. Every baby is different. The fontanelles should feel firm and very slightly curved inward to the touch.
Median age of closure is 14 months 4 24 months 2 the posterior fontanelle is triangular and is less than 1 cm. By three months of age the anterior fontanel is closed in 1 percent of infants. Of life 18 and the median age of closure is 13 8 months.
By three months of age the anterior. The incidence of abnor. When you touch the fontanelle it should feel firm with a slight inward curve.
On the top of the middle head just forward of center anterior fontanelle in the back of the middle of the head posterior fontanelle the posterior fontanelle usually closes by age 1 or 2 months. The fontanelle in the back of the head posterior fontanelle most often closes by the time an infant is 1 to 2 months old. The fontanelle at the top of the head anterior fontanelle most often closes between 7 to 19 months.
It is in the upper front portion of your baby s head at the junction of three different sutures. It is the last to close. The anterior or frontal fontanelle is the diamond shaped soft membranous gap at the junction of the coronal and sagittal sutures.