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A 29-year-old female asked:

I had my lmp on 12/3/12 i found out i was pregnant how far should i be?

1 doctor answer1 doctor weighed in
Dr. John Kirk
Obstetrics and Gynecology 27 years experience
63 days or 9 weeks : With your last period of 12/3/12 you should be 63 days or nine weeks. Pregnancy is calculated from the time of the first day of your last menstrual period. We use this day to start because it is the most common information that we can have for any given individual. This being the case you're not actually pregnant with an embryo until two weeks roughly after that first day.

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Last updated Dec 10, 2013

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