Want this question answered?
The ultrasound date is approximate and based on the size of the baby, but if you go back exactly that far it would be Sept 21.
Subtract fourteen weeks (7 days x 14) from the date of the ultrasound.
Doctors measure pregnancy from the first day of your last period, but you don't conceive until two weeks after that. Your baby was conceived 3 weeks ago.
May
31st March or thereabouts
Around Jan1st
never
99% probability it was between 10 weeks & 10 weeks and 4 days ago.
Somewhere around December 4.
32 days previously
around march 21 but no one can be 100% certain
24 weeks prior to Nov. 17 is June 2.