The perinatal nurse accurately defines postpartum hemorrhage by including a decrease in hematocrit levels from pre- to postbirth by:
a. 5%
b. 8%
c. 10%
d. 15%
ANS: c
Historically, practitioners have defined postpartum hemorrhage as a blood loss greater than 500 mL following a vaginal birth and 1000 mL or more following a cesarean birth. Hematocrit levels that decrease 10% from pre- to postbirth measurements are also included in the definition.
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