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You would have to calculate backwards 13 weeks on a calendar. Keep in mind that whatever date that is would only not be exact but an approximation. The error factor could be plus or minus four days. Actually you would have to count backwards 11 weeks as pregnancy is counted from the first day of the last period, usually about 2 weeks before ovulation. this may vay depending on the length of your cycle.
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Earn +20 ptsQ: Ultra sound said im 13 weeks pregnant what date did you get pregnant?
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