On Examining a Woman Who Gave Birth 5 Hours Ago

On examining a woman who gave birth 5 hours ago, the nurse finds that the woman has completely saturated a perineal pad within 15 minutes. The nurse's first action is to:

A) Begin an intravenous (IV) infusion of Ringer's lactate solution.
B) Assess the woman's vital signs.
C) Call the woman's primary health care provider.
D) Massage the woman's fundus.