Which of the following statements about breastfeeding is TRUE? For reasons that are not entirely clear, women who are overweight or obese appear to initiate and maintain breastfeeding at higher rates than women of normal weight. Breastfed newborns typically require more frequent feedings than formula-fed infants. In the United States and Canada, HIV-positive women are encouraged to breastfeed. Environmental contaminants such as pesticide residues do not pass from a lactating mother into her breast milk.