An 18-year-old G2P1001 with the first day of her last menstrual period of May 7 presents for her first OB visit at 10 weeks. What is this patient’s estimated date of delivery?
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February 10 of the next year
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February 14 of the next year
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December 10 of the same year
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December 14 of the same year
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December 21of the same year
explanation
The expected date of delivery can be estimated by using Naegele rule. To do this, count back 3 months and then add 7 days to the date of the first day of the last normal menstrual period.