I'm in the same situation. My original due date was August 27th. Then I got sick and went to the er at 11 weeks the told me baby was bigger gave me a due date of August 24th. Then when I had my 20 week ultrasound sound the said baby was bigger then he is suppose to be he was 13oz already so the ultrasound text said I'm due August 22 witch makes more sence to me because when I plug in the due date August 27th in the app it says I conceived in Dec but I already knew I was pregnant by DEC .so I'm so confused .
Ok thanks ladies I'm just trying to get a better idea so I'll know when to make my last day at work before I go on leave so I'll probably work until mid-July
The ultrasound knows. The same thing happened to me put it pushed my due date back ten days..
Be prepared to have him earlier but keep the same due date...otherwise you will just get frustrated if it takes him the extra 3weeks to make an appearance