A nurse is reinforcing teaching with the parents of a 2-month-old infant who has gastroesophageal reflux. The parents are feeding the infant formula. Which of the following instructions should the nurse include in the teaching?

Give the infant a bottle immediately before the infant's bedtime.

Keep the infant at a 30° angle for 1 hr following each feeding.

Change the infant's formula to a soy-based formula.

Limit the infant's formula feedings to every 6 hr.