all of my ultrasounds have fun based off of last period, not conception date. hers cant run off of conception date if she is asking what her conception date is... because she doesnt know her date of conception! they would have imputed the first day of her last period in order to get gestational age of the fetus and went off of measurements of the b... more

my date of conception is like april 6th or something like that, i think. or maybe the 3rd. my original due date was dec 29th but when i had my first ultrasound done the baby measured 3 days bigger so it was moved to dec 26th. regardless, i think im going to end up having my baby on someone elses bday that i know. everyone i know is born in decembe... more

also... i know you said you were on birth control. maybe that is what is messing me up. you probably just ovulated differently, instead of 14 days in to your cycle. i dunno! but thats the only thing i can think of if the doc is absolutely positive youre only 19 weeks along.