Klinefelter syndrome is also known as XXY syndrome.

 

How can you diagnoseร‚ย Klinefelter syndrome in babies and toddlers?

A geneticist can diagnose Klinefelter syndrome before your son is born through a fetal cytogenetic analysis.

Your pediatrician may suspect Klinefelter syndrome if your infant son has:

However, 75% of boys with Klinefelter syndrome develop normal height and weight until they reach age 4 or 5. In 25% of boys, there is a telltale condition called clinodactyly, where the little finger curves toward the ring finger because the middle bone is wedge-shaped instead of rectangular.

 

How can you diagnoseร‚ย Klinefelter syndrome in school age boys?

Your pediatrician may investigate your school-age son for Klinefelter syndrome if he has this characteristic appearance:

Klinefelter boy

You may ask your pediatrician to investigate your son for Klinefelter syndrome if he has:

 

How can you diagnoseร‚ย Klinefelter syndrome during puberty?

klinefelter teenager

Your doctor may suspect Klinefelter syndrome when your boy reaches puberty if he has:

If your doctor suspects your son has the androgen deficiency that accompanies Klinefelter syndrome, he will likely be sent to a lab for these blood tests:

You may ask your doctor to perform genetic screening forร‚ย Klinefelter syndrome if your son exhibits:

 

How can you diagnoseร‚ย Klinefelter syndrome in adult men?

klinefelter adultklinefelter man

Most men with Klinefelter syndrome do not exhibit symptoms. You may first notice a problem when you experience:

 

When should I tell my son he hasร‚ย Klinefelter syndrome?

Experts recommend explaining to your affected child that he has Klinefelter syndrome when he reaches his mid-to-late teens. He should be old enough by then to understand its implications. You can download aร‚ย FREE booklet about Klinefeltersร‚ย which will help him toร‚ย deal with his symptoms.

 

Understand more on Klinefelter:

What is Klinefelter Syndrome?

Klinefelter facts & treatment options

Why we need testosterone

The information in this article has been taken with permission from the official Lawley booklet onร‚ย Understanding Kinefelter Syndrome.

 

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