Naegele's rule is used to estimate the due date by...

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Multiple Choice

Naegele's rule is used to estimate the due date by...

Explanation:
Naegele's rule estimates the due date from the last menstrual period by adjusting for a typical 40-week pregnancy: add seven days, subtract three months, then add one year. This sequence is equivalent to adding nine months and seven days to the LMP. So, adding 9 months and 7 days to the LMP aligns with the rule and gives the estimated due date. The other options don’t fit because they either under-adjust, move the date backward, or overshoot the standard calculation.

Naegele's rule estimates the due date from the last menstrual period by adjusting for a typical 40-week pregnancy: add seven days, subtract three months, then add one year. This sequence is equivalent to adding nine months and seven days to the LMP. So, adding 9 months and 7 days to the LMP aligns with the rule and gives the estimated due date. The other options don’t fit because they either under-adjust, move the date backward, or overshoot the standard calculation.

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