The average newborn’s head circumference measures about 13 3⁄4 inches (35 cm), growing to about 15 inches (38 cm) by one month. Because boys tend to be slightly larger than girls, their heads are larger, though the average difference is less than 1⁄2 inch (1 cm).
What should a 2 month old head circumference be?
between 2 and 6 months. The average total head circumference growth from birth to 3 months is equal to 5 cm (1.97 in.), and 4 cm (1.57 in.) average from 3 to 6 months.
When should I be concerned about my baby’s head size?
If your baby’s head is measuring small or is not growing: Your baby’s doctor may be concerned about failure to thrive (when a child doesn’t take in enough calories or is unable to utilize them and doesn’t grow properly as a result).
Is 36 cm head circumference at birth?
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. (37.6 cm).
What is the average weight for 2-month-old baby?
Baby weight chart by age
|Baby age||Female : 50th percentile weight||Male : 50th percentile weight|
|1 month||9 lb 4 oz (4.2 kg)||9 lb 14 oz (4.5 kg)|
|2 months||11 lb 5 oz (5.1 kg)||12 lb 4 oz (5.6 kg)|
|3 months||12 lb 14 oz (5.8 kg)||14 lb 1 oz (6.4 kg)|
|4 months||14 lb 3 oz (6.4 kg)||15 lb 7 oz (7.0 kg)|
What does a 2-month-old baby understand?
At two months, babies can see objects — and people — from up to 18 inches away. That means you still need to get pretty close, but your baby will be able to see your face pretty well while feeding. She should also be able to follow movements when you walk close by. Baby’s hearing is improving, too.
What happens if a baby’s head circumference 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 worry about my head circumference?
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.
Is head circumference related to intelligence?
Preliminary studies have suggested links between brain size, head size, and IQ, but head circumference isn’t directly correlated with intellect.
Can babies have small heads 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.