A woman's last menstrual period began on 13 October. By Naegele's rule, what is the expected date of delivery?
Answer and explanation
Correct answer: B. 20 July
- 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 July, so the date is 20 July.
Answer
20 July.
Practise more Obstetrics.
Free questions with an explanation for every one, and full timed Revalida (Brazil Medical Diploma Revalidation Exam) mock tests.
More Obstetrics questions
- What does Naegele's rule estimate?
- What is the usual length of a term pregnancy?
- Which drug prevents eclamptic seizures?
- When is screening for gestational diabetes with an oral glucose tolerance test usually done?
- In which situation is breastfeeding contraindicated in Brazil?
- When should a woman who plans to become pregnant start taking folic acid?