The nurse receives a phone call from a patient who thinks she is pregnant. The patient reports that she has regular menses that occur every 28 days and last 5 days. The first day of her last menses was April 10. What is the patient's estimated date of delivery (EDD)?

Question

Quizplus · Accepted Answer

The estimated date of delivery (EDD) is calculated by adding 280 days (or 40 weeks) to the first day of the last menstrual period (LMP). Starting from April 10, adding 280 days results in an EDD of January 17.

The Nurse Receives a Phone Call from a Patient Who