Random question; out of all scans, e.g I had 8 wk, 12 wk, 20 wk and 32 week, which one is most So could be 9 weeks, could be 7 weeks. at birth, so I think the more 'average' your baby is the more accurate the estimated due date is.
9 Jan 2009 I counted 40 weeks from date of conception and I was 1 day off, they counted . 7. 1. Maybe I should mention my doctor was concerend when i went . to me that the most accurate was the ealiest scan as they could predict