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What is the risk for parents of a child with trisomy 18 or trisomy
What is the risk for parents of a child with trisomy 18 or trisomy 13 having another child with trisomy 18 or 13? In general, for women under 35 years...

Trisomy 13 Syndrome is a rare chromosomal disorder in which all or
Trisomy 13 Syndrome is a rare chromosomal disorder in which all or a portion of chromosome 13 appears three times (trisomy) rather than twice in cells...