Breastfeeding is associated with reductions in morbidity and mortality among mothers and children.1,4 The Dietary Guidelines for Americans, American Academy of Pediatrics, and World Health Organization recommend exclusive breastfeeding for 6 months, with continued breastfeeding for at least 1 (Dietary Guidelines for Americans5) or 2 years (American Academy of Pediatrics,6 World Health Organization3), while complementary foods are introduced.

Benefits of longer breastfeeding durations have been documented3,4; however, limited studies describe US breastfeeding duration past 18 months.7 Using data from a nationally representative survey, we examined the prevalence and predictors of breastfeeding duration ≥24 months.

The National Survey of Children’s Health is an annual survey designed to provide estimates of health of noninstitutionalized children age 0 to 17 years.8 Data are obtained from parents and caregivers through web-based and paper surveys.

Using data from 2018 to...

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