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A 40-year-old member asked:

Does due date depends on the day of implantation?

1 doctor answer1 doctor weighed in
Dr. Seth Derman
Reproductive Endocrinology and Infertility 34 years experience
Last period: Your due date is calculated based on the first day of your last period. If there is a discrepancy between those dates and the ultrasound, your doctor will change those dates. If you are doing ivf, the doctor will base those calculations on your retrieval /transfer dates instead.

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Last updated Oct 30, 2013
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