The most common cause of trisomy 21 (Down syndrome) is
a. advanced maternal age
b. family history of Down syndrome
c. exposure to teratogens
d. maternal ingestion of anticonvulsant medications
A
Advanced maternal age is the most common factor associated with Down syndrome.
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A public health nurse has formed an interdisciplinary team that is developing an educational program entitled Cancer: The Risks and What You Can Do About Them
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