1. Academy of Nutrition and Dietetics. Practice Paper of the Academy of Nutrition and Dietetics: Nutrition and lifestyle for a healthy pregnancy outcome. http://www.eatright.org/members/practicepapers/. Published July 1, 2014. Accessed May 22, 2014.
2. Centers for Disease Control and Prevention. Division of Birth Defects and Developmental Disabilities. Birth defects. http://www.cdc.gov/ncbddd/birthdefects/index.html. Accessed October 4, 2012.
3. Centers for Disease Control and Prevention. FastStats: Births and natality. http://www.cdc.gov/nchs/fastats/births.htm. Accessed October 4, 2012.
4. Weight Gain During Pregnancy: Reexamining the Guidelines,2009
5. Prenatal nutrition: A critical window of opportunity for mother and child;Shapira;Womens Health,2008