Dystocia: Childbirth that is difficult or abnormal.

Energy-dense foods: Foods that are high in calories.

Explicit marketing: Discrete, commercial messages, set off from program content, designed to promote products and brands, such as television advertisements, Internet banner advertisements, and billboards.

Federal poverty level: The threshold of income used to determine eligibility for government assistance programs.

Food access: The extent to which a community can supply people with the food needed for health. Communities with poor food access lack the resources necessary to supply people with the food needed for a healthy lifestyle. The availability of high-quality, affordable food and close proximity to food stores increase food access.

Food (and beverage) marketing: Promotion of the awareness, appeal, and sale of commercial food and beverage products and brands in media, retail stores, and vending machines and on billboards.

Food security: Consistent, dependable access to enough food for active, healthy living.

Food insecurity: A household-level economic and social condition of limited or uncertain access to adequate food.

Healthy foods: Refers to foods of high nutritional quality, such as fruits and vegetables, with minimal or no added sugar, fat, and salt; low-fat or nonfat dairy products; whole grains; and lean meats.

Infant: A child from birth to 12 months of age.

Light physical activity: Muscle-powered movement at a slow, easy pace; examples are slow walking, crawling, and limb or trunk motion while seated. Energy expenditure is at a rate of 1.1 to 3.9 metabolic equivalent of task.

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