Date Of Conception From An Ultrasound

4 Replies
Susanna - December 2

I had an irregular cycle the month before I found out I was pregnant, so the doctor could not date my pregnancy the usual way(from my last period). He ended up giving me a date from my ultrasound. My question is how accurate is this date? Thanks.

 

Lori - December 2

It depends on how far a long you are. I do not have periods and my first pregnancy In July was accurate with u/s and blood test unfortunately i Miscarried about A week later. I went to the DR. on 11/22 to begin fertility and found out we were pregnant again. Since I don't have periods She did a v____al u/s and determined that we are approximately 4 wks along by measuring the sac. I go back on 12/10 for another u/s. If the heartbeat is there then she was correct it will be 6.5 weeks then and the heart beath appears around 6wks.

 

Christine - December 3

I went at 5 weeks and a couple days...it was a week off from my last menst. cycle..the u/s said I was a week further...so they are pretty accurate give or take a week or two...but even from your last cycle is not 100%...since you dont concieve the first day of your last cycle...good luck

 

CHRISTINE DELGADO - October 4

MY LAST PERIOD WAS 1-28-2005

 

Monique - October 4

My doctor measured my baby on my ultrasound on my first appt. which I figured was around 7 weeks. She said I was 6w 5d plus or minus 2 days. And actually once she put the measurement in the ultrasouund computer did calculation.

 

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