The nurse is teaching a woman with a menstrual disorder how to measure menstrual flow. Which instruction should the nurse include?
a. Use a perineal collection system.
b. Use a vaginal catheter and collection bag.
c. Weigh her perineal pads before and after use.
d. Weigh the woman before and after her menses.
ANS: C
Estimation of the amount of blood lost during menses may be difficult because pad counts can vary widely, depending on the frequency of pad changes and the portion of the pad that contains blood. The only accurate way to estimate menstrual flow is by weighing the pads (sealed in a biohazard bag) and then subtracting the weight of the original pads. D. Weighing the woman is inaccurate because there are too many other factors affecting weight. A. B. Catheters and collection systems may be used for urinary drainage but not for vaginal collection.
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