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What Do You Know About Birth Defects?

Test your knowledge of birth defects and what you can do to minimize the risk.

1. Annually, what percentage of U.S. infants are born with birth defects?
2. When is an unborn baby most at risk of developing abnormalities?
3. Which of these is one of the most common birth defects?
4. Which of these habits of the mother-to-be can be harmful to the fetus?
5. A woman who is pregnant or considering pregnancy should get a medical checkup. Which of these immunizations should be current before she conceives because of the danger of the disease to the fetus?
6. Doctors advise women to take 400 mcg of folic acid daily before conception and during pregnancy. What can this help prevent in the baby?
7. Pregnant women should avoid handling cat litter to decrease the risk of becoming infected with which of these?
8. Which of these kinds of medications can cause birth defects if taken when pregnant?
9. During prenatal care, a physician may recommend genetic screening tests for certain disorders. What is one thing that amniocentesis tests for?
10. Extra or missing chromosomes trigger genetic birth defects. What factor greatly increases the risk of an abnormal number of chromosomes in the fetus?