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sp5609
Does the doctor calculate the due date by the last day of your period or the day your period started?
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Destynee2015
So if my last period ended on july 20th, and my cycle was 5 days, they would go by july 15th.
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Destynee2015
The first day of your last period.
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maw4389
Usually they go by the dating ultrasound because it's more accurate.
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