| kidshealth.org | Kidshealth - The Web's Most Visited Site About Children's Health |
| cdc.gov | US - - Centers for Disease Control and Prevention (CDC) |
| nbdpn.org | National Birth Defects Prevention Network |
| pregnancyrisknetwork.org | The Pregnancy Risk Network |
| kissitmakeitbetter.com | Kiss It Make It Better: Vitamin A and Birth Defects |
| health.org | Birth Defects and Adverse Birth Outcomes |
| fda.gov | How Folate Can Help Prevent Birth Defects |
| calfas.org | California Fetal Alcohol Spectrum Organization, CalFAS.org |
| uams.edu | Arkansas Center for Birth Defects Research and Prevention |
| walkamerica.org | Walkamerica |
| modimes.org | www.modimes.org/ |
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