A 35-year-old female asked:
How many days is it from implantation to baby due date?
1 doctor answer • 1 doctor weighed in
259: Usual pregnancy length is considered 280 days from first day of last period. Implantation generally occurs about 3 weeks after first day of last period, although that can vary a few days. So 280-21 equals 259, time from implantation to due date.
4.3k viewsAnswered >2 years ago
Last updated Mar 23, 2014
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