Children's Health and Wellness

What Do You Know About Birth Defects?

See how much you know about birth defects. Learn what you can do to lower your risk.

1. How many babies in the U.S. are born with birth defects?
A. 1% B. 3% C. 5% D. 10%
2. When is an unborn baby most at risk of developing a birth defect?
A. First trimester B. Second trimester C. Last trimester D. All 9 months
3. Which of these is a common birth defect?
A. Down syndrome B. Heart abnormalities C. Spina bifida D. Cleft lip/cleft palate E. both A and D
4. Which of these habits of the mother-to-be can be harmful to the fetus?
A. Smoking B. Drinking alcohol C. Taking illegal drugs D. All of the above
5. A woman who is pregnant or considering pregnancy should get a medical checkup. Which of these vaccines should be up to date before she gets pregnant because of the danger of the disease to the fetus?
A. Tetanus B. Diphtheria-polio-tetanus C. Measles, mumps, and rubella D. Flu
6. Doctors advise women to take 400 mcg of folic acid daily before they get pregnant and during pregnancy. What can this help prevent in the baby?
A. Respiratory distress B. Brain and spinal defects C. Blood disorders D. Learning disorders
7. Pregnant women should not handle cat litter to lower the risk of becoming infected with which of these?
A. Toxoplasmosis B. Streptococcus C. E. coli bacteria D. HIV
8. Which of these kinds of medicines can cause birth defects if taken when pregnant?
A. Prescription medicines B. Over-the-counter medicines C. Herbal remedies D. All of the above
9. During prenatal care, a health care provider may recommend genetic screening tests for certain disorders. What is one thing that amniocentesis tests for?
A. Down syndrome B. Multiple sclerosis C. Cancer D. Attention deficit disorder
10. Extra or missing chromosomes trigger genetic birth defects. What factor greatly increases the risk for an abnormal number of chromosomes in the fetus?
A. Older age of the mother B. Father's diet C. Mother's diet D. None of the above
Print Source: Initial Prenatal Assessment and Patient Education, UptoDate.
Print Source: Vitality magazine
Online Source: Screening for birth defects, American College of Obstetricians and Gynecologists
Online Source: Cleft lip and cleft palate, American Speech-Language-Hearing Association
Online Source: Facts about Down syndrome, CDC
Online Source: 1 in 33, CDC
Online Editor: Sinovic, Dianna
Online Medical Reviewer: MMI board-certified, academically affiliated clinician
Online Medical Reviewer: Trevino, Heather M, BSN, RNC
Date Last Reviewed: 8/31/2014