A Woman Calls the Clinic Because She Is Having an Unusually

A woman calls the clinic because she is having an unusually heavy menstrual flow. She tells the nurse that she has saturated three tampons in the past 2 hours. The nurse estimates that the amount of blood loss over the past 2 hours is _____ mL.

A) 20 to 30
B) 30 to 40
C) 40 to 60
D) 60 to 90