Most birth defects don't rise with age. (age of mother)

From: Science News | Date: March 9, 1991| Author: Walker, Tim | Copyright information

Most birth defects don't rise with age

Many women who postpone childbearing until their late 30s wonder whether their age increases the odds of having a child with a birth deect. For certain chromosomal disorders such as Down's syndrome, the unfortunate answer is yes. But a study of birth defects that result from unknown causes -- representing more than three-quarters of all congenital defects -- offers good news for thirty-something women.

Researchers at the ...

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