Which is most accurate in due date ??

Question

So i was quite sure of my ovulation day as i was using opks and i take a 1st response pregnancy test and gives me a visible 2 pink lines before my period with 3 days ! According to my last period am due 6th of july and when i did the ultrasound 2 weeks ago my due date become 11th of july !!! Iam quite sure that my calculations is right ! My question is can the ultrasound be a week late ! Or it is most accurate than our calculations !

Answer

Ultrasound is for sure more accurate.  I also ovulated late in my cycle and my ob isn’t setting a due date until my ultrasound on the 22nd.  It’s the only way to know for sure when you have long cycles and ovulate late.

Answer

Technically speaking it is suppose to be the most accurate date close to when the babies arrival is to be..when I was pregnant they actually changed my due date 2 times. When I found out I was pregnant I calculated everything and my due date was July 26th..then when I went for my ultrasound at 8 weeks 
 my due date was July 18th..then it changed againnn to July 15th..lol My baby didn't come till July 21st..so it really depends on when your baby wants to come. They say with your first your always over due..but everyones different. It just depends on your baby at the end of the day..

Answer

My due date has changed like 3 times after every scan. It's currently 11 days after the due date going by my last period. I would think that the ultrasound due date is more accurate and that's what I'm going by.

Which is most accurate in due date ??

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