A woman's last menstrual period began on 10 May. By Naegele's rule, what is the expected date of delivery?

Answer and explanation

Correct answer: A. 17 February

  1. Step 1: Naegele's rule adds 7 days to the first day of the last period and subtracts 3 months.
  2. Step 2: 10 + 7 = 17, and the month moves to February, so the date is 17 February.
Answer
17 February.

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