Do the math from your last period,and then count up 2 weeks,that should be almost accurate,but all women are differant. And no pregnancy is the same!!!
Somewhere between 3rd and 9th December 2005.
Subtract fourteen weeks (7 days x 14) from the date of the ultrasound.
May
march 21st 2014
31st March or thereabouts
Around Jan1st
32 days previously
it depends when your due date is
Count back 28 weeks and one day from March 7.
around march 21 but no one can be 100% certain
just 11wks and 6 days before october18
Three weeks ago.