Start How accurate are ultrasounds at dating pregnancy

How accurate are ultrasounds at dating pregnancy

These pictures show up on a computer screen at your bedside during the test.

Given this information, would it be possible that all of my ultrasounds were a month off and I conceived Jan 18? Based on this EDD, the last date of your period would have been 5th of February.

I would like to know the accuracy of ultrasounds in the first trimester. On Feb 2 I went off birth control for good & had withdrawal bleed on Feb 5-8.

He used a condom, I believe I was on birth control (but cant remember for sure), and took Plan B 55 hours later.

It's wonderful to see a little blob with a heartbeat that will become your baby. If you are unsure of the first day of your last period you will be offered a dating ultrasound when you are between 10 and 14 weeks pregnant.