5 doctors weighed in:
What does it mean when a child is born with only one major line across the palm?
5 doctors weighed in

Dr. James Ferguson
Pediatrics
3 doctors agree
In brief: Nothing particular
It is present in about 4-7% of normal individuals on one side.
It is present in 25-35% of kids with Down syndrome.The feature is thought to originate from the muscle tone and the way the fetus cups their hand in the womb. It is not a "test " for anything.

In brief: Nothing particular
It is present in about 4-7% of normal individuals on one side.
It is present in 25-35% of kids with Down syndrome.The feature is thought to originate from the muscle tone and the way the fetus cups their hand in the womb. It is not a "test " for anything.
Dr. James Ferguson
Dr. James Ferguson
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In brief: Depends
This can be a normal variant.
Or, it maybe a sign of down syndrome.

In brief: Depends
This can be a normal variant.
Or, it maybe a sign of down syndrome.
Dr. Anthony LaBarbera
Dr. Anthony LaBarbera
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