A woman's last menstrual period began on 13 December. By Naegele's rule, what is the expected date of delivery?
Answer and explanation
Correct answer: A. 20 September
- Step 1: Naegele's rule adds 7 days to the first day of the last period and subtracts 3 months.
- Step 2: 13 + 7 = 20, and the month moves to September, so the date is 20 September.
Answer
20 September.
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