A breastfeeding mother calls the obstetrician's office with a complaint of pain in one breast.Upon inspection, a diagnosis of mastitis is made.Which of the following nursing interventions is appropriate?

Advise the woman to apply ice packs to her breasts.

Encourage the woman to breastfeed frequently.

Inform the woman that she should wean immediately.

Direct the woman to notify her pediatrician as soon as possible.