A nurse is assisting in the care of a client who is 48 hr postpartum. The client states, "My baby won't stop crying even though I've changed her diaper and breastfed her." Which of the following statements should the nurse make?

"Your baby needs to suck on a pacifier."

"Swaddling your baby snugly in a blanket might help soothe her."

"Breastfed babies are usually fussy from swallowing too much air during feedings."

"Breastfed babies often need to be supplemented with formula."