Wrong due dates

jae

Hey all so i took 3 pregnancy test about 4 weeks ago i went to doctor 3 weeks ago to confirm pregnancy no ultrasound was done then doctor went off when i said i had my last cycle which was in december which that put me at 6weeks pregnant i went back to d doctor 3 weeks later which is today to get ultrasound for the ultra sound to say i am only 6weeks pregnant saying that dates is off by 3weeks have any of you ladies experienced this