Other Works Consulted
American College of Obstetricians and Gynecologists (2010). Your Pregnancy and Birth, 5th ed. Washington, DC: American College of Obstetricians and Gynecologists.
American College of Obstetricians and Gynecologists (2012). Update on immunization and pregnancy: Tetanus, diphtheria, and pertussis vaccination. ACOG Committee Opinion No. 521. Obstetrics and Gynecology, 119(3): 690-691.
U.S. Department of Health and Human Services, U.S. Environmental Protection Agency (2011). Mercury Levels in Commercial Fish and Shellfish. Available online: http://www.fda.gov/Food/FoodSafety/Product-SpecificInformation/Seafood/FoodbornePathogensContaminants/Methylmercury/ucm115644.htm.