Birth Defects Prevention, Risk Reduction, and Awareness Act of 2011 - Requires the Secretary of Health and Human Services (HHS), acting through the Director of the Centers for Disease Control and Prevention (CDC), to establish and implement a birth defects prevention and public awareness program, which includes: (1) a nationwide media campaign to increase awareness among health care providers and at-risk populations about pregnancy and breastfeeding information services; (2) grants for the provision of, or campaigns to increase awareness about, pregnancy and breastfeeding information services; and (3) grants for the conduct or support of surveillance of or research on maternal exposures that may influence the risk of adverse pregnancy outcomes and maternal exposures that may influence health risks to a breastfed infant, or of networking to facilitate such surveillance or research.