With These 5 Basic Cues - American Club Trisomy 21 Down Syndrome Tattoo Ideas References. Trisomy 21 or down syndrome occurs when there is a third copy of chromosome 21 and causes malformation in body and brain development. Down syndrome is usually caused by an extra.
Down syndrome awareness pin like how it. “for our son with down syndrome and our daughter.” — kelcy g. Giving birth to a child with down syndrome.