6 doctors weighed in:

Do all Down syndrome babies have the simian crease?

6 doctors weighed in
Dr. Jay Park
Pediatrics
4 doctors agree

In brief: No

Only 50-60 percent of children with down syndrome actually have simian creases.

In brief: No

Only 50-60 percent of children with down syndrome actually have simian creases.
Dr. Jay Park
Dr. Jay Park
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1 comment
Dr. James Ferguson
And 5-10 % of the normal population, depending on the study you read.
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Dr. Jonathan Jassey
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