It's not an exact science, but it can give you a pretty good idea. the less pregnant you are the more accurate it is. ~pawsalmighty
Subtract fourteen weeks (7 days x 14) from the date of the ultrasound.
May
32 days previously
At this stage, yes the ultrasound can be off by 10 days. Mine was off by ten days the other way, that is I thought I was 18 weeks and the ultrasound said 16 and a half. I knew when I had conceived because my husband had been away on a trip.
hi Im also 7 weeks and 3 days DUE date is about in JULY 1
If the ultrasound is done in the first weeks of pregnancy it is possible to date the embryo within a few days, an ultra sound done later is not as accurate for dating purposes.
just 11wks and 6 days before october18
4 and a half monthes and exactly 3 days ago
ask your doctor
If you know when you conceived you should always go by your date. Ultrasounds, especially later in pregnancy, are not as accurate. Here are the dates that they can be off. The inaccuracy of ultrasound First trimester: 7 days 14 - 20 weeks: 10 days 21 - 30 weeks: 14 days 31 - 42 weeks: 21 days
I was told the same thing. Based on my lmp I am 6 weeks but I had an ultrasound done 2 days ago that said I was 4 weeks. I wonder if I am 4 weeks along because that is the time of conception since you dont get pregnant the day of your period. It is usually two weeks later when you ovulate. Let me know if you have heard anything
Somewhere between 3rd and 9th December 2005.