During an Assessment of a 4-Week-Old Infant, the Primary Care

During an assessment of a 4-week-old infant, the primary care pediatric nurse practitioner learns that a breastfed infant nurses every 2 hours during the day but is able to sleep for a 4-hour period during the night. The infant has gained 20 grams per day in the interval since last seen in the clinic. What will the nurse practitioner recommend?

A) Continuing to nurse the infant using the current pattern
B) Nursing the infant for longer periods every 4 hours
C) Supplementing with formula at the last nighttime feeding
D) Waking the infant every 2 hours to nurse during the night