Medically reviewed by Brigid Dwyer, MD Mosaic Down syndrome is a variant of Down syndrome. Down syndrome is a congenital (present at birth) genetic condition that occurs when a person has three copies ...

I gave birth to a beautiful baby girl with almond shaped eyes,” a woman named Sarah wrote on Cincinnati Children’s Hospital’s website. “The doctors and nurses didn’t notice, but I did. After days of ...

During oogenesis and spermatogenesis, each parent contributes 23 chromosomes to the zygote ... The recurrence risk with trisomy is 1% to 2% or the maternal age risk, whichever is greater.

World Down Syndrome Day aims to raise awareness about the condition and ways to manage it. Down Syndrome is a genetic ...