A woman's last menstrual period was June 10 . Her estimated date of delivery (EDD) is
a. April 7
b. March 17
c. March 27
d. April 17
B
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A April 7 would be subtracting 2 months instead of 3 months and then subtracting
3 days instead of adding 7 days.
B To determine the EDD, the nurse uses the first day of the last menstrual period
(June 10), subtracts 3 months (March 10), and adds 7 days (March 17).
C March is the correct month, but instead of adding 7 days, 17 days were added.
D April 17 is subtracting 2 months instead of 3 months.
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