Keep in mind that every woman has a chance of having a baby with problems, no matter what her age.

http://www.babycenter.com/404_what-are-the-risks-of-having-a-baby-if-im-35-or-older_3127.bc

A genetic counselor can help you understand your particular risks and decide whether to have genetic testing to screen for or diagnose chromosomal problems or other birth defects.