Biology · Reproductive Health
Which of the following describes the correct formula/method according to Naegele's rule for calculating the Expected Date of Delivery (EDD)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11st day of last menstrual period + 7 days + 9 calendar months (or 280 days)✓
- 21st day of last menstrual period + 200 days
- 3Last day of last menstrual period + 280 days
- 4Last day of first period + 280 days
Correct answer
1st day of last menstrual period + 7 days + 9 calendar months (or 280 days)
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