On fetal ultrasound what is an abnormally large head?

Depends. You date the fetus and if the head size is more than 2 standard deviations above what it should be it is large.

Related Questions

I have a baby with an abnormally large head, cab I have natural birth?

Maybe. The head is the largest diameter that must pass through the birth canal at delivery. If pre-delivery estimates doubt the head can pass, a scheduled c-section is common.A trial for a head down delivery might be done, with a set up to do a c-section immediately if the baby showed stress. Since a big head could get stuck, a breech delivery would be so dangerous most would never consider it. Read more...

Is there a correlation between abnormally large head circumference and an increased chance of neonatal seizures?

Increased pressure. Head circumferences that increase rapidly (can be followed on the head circumference growth chart) can be associated with neonatal seizures if increased intracranial pressure is present. Read more...

I don't know what abnormally large head is but was embarassed to admit it. Can someone tell me?

More room for brain! There is nothing wrong with having a large head. Macrocephaly is just a descriptive term, not a diagnosis. Some very successful and famous people have it. Keep yourself an equally large smile! Read more...
Head size varies. There is a wide range of normal head size from ~18-24 inch circumferance in adult & by itself means nothing more than being very tall or short.One or both parents of an identified kid will often have a lg head size.In some kids increasing head size could represent an abnormal accumulation of fluid in the brain. Read more...

My child was diagnosed with macrocephaly. I took her in to get an MRI done It came back normal. Is her head going to be abnormally large when teenager?

Macrocephaly. Look at your head and your husband's head. One of you may have a large head also. A large head should not be a problem as long as he had a normal MRI. Read more...
NO. Large head size is usually inherited. Chances are she will have a larger head but no more so than her family members and certainly not apparent to those who are not carrying around tape measures. She will look fine. Read more...