(Closed) Due Date Moved???

posted 5 years ago in Pregnancy
Post # 3
580 posts
Busy bee
  • Wedding: May 2012

IDK, my Doctor does not change your dates unless you measure more than 2 weeks ahead. I measured a week or so ahead at our 20 week anatomy scan. (I think I was like 19w6 days and measured 21 weeks and some odd days if my memory serves me correctly.)

Post # 4
4355 posts
Honey bee
  • Wedding: June 2013

I’ve been measuring ahead since my 12 weeks scan as well however they have NOT moved my due date. My GP, OB and ultrasound tech have all said that the date given at the earliest ultrasound is always the most accurate. I’m the same as you, very positive of my dates (I was charting) so I take any other suggestions with a grain of salt (a nurse suggested changing the due date but my OB later reassured me that no, she was wrong). I’m 27 weeks now and at my last appointment at under 24 weeks I was measuring well above 25 weeks.

My OB says that some babies grow fast for a period of time and then might slow down a bit to end up right on target near the end. Just means baby is growing big and strong!

Post # 5
9142 posts
Buzzing Beekeeper
  • Wedding: November 2013 - St. Augustine Beach, FL

EDDs are just that, estimated. In fact, most babies are not born on their due dates. It will likely change a few times during your pregnancy.

Post # 6
257 posts
Helper bee
  • Wedding: June 2013

My original due date with my daughter was Dec. 26. At her 18 week she was measuring really small so they did anotherultrasound a few weeks later and changed her due date to Jan 9th.  I didn’t have an amino though so I can’t comment on that. She was born jan 7th, so it was a good thing they changed the date. I was convinced they were wrong up until I had her though. 

Post # 7
54 posts
Worker bee
  • Wedding: December 2012

Like everything else, there is so much error in ultraound measurements… I would trust your gut. Especially since you are so sure! It’s your body and you are in complete control over it and can deny anything the doctor recommends. Trust yourself, your body, and your baby! If you aren’t comfortable having an amnio done at a certain time, push it back. There is absolutely nothing wrong with that.


Post # 9
1151 posts
Bumble bee
  • Wedding: March 2015

I’d also go with your original date..

When my mum had my younger brother (last year.. she was very young when she had me, almost 24 year age gap between my youngest brother and I!) I attended all her appointments with her.

At around 16 weeks she was given a different due date (earlier) by the ultrasound technician than the original as bubs was measuring a week ahead (very similar situation to yourself) her usual doctor however corrected him and said stick with the original, babies can just be a little larger!

He ended up being born closer to the original date, a little earlier but only by a couple of days 🙂

Good luck with everything!

Post # 10
818 posts
Busy bee
  • Wedding: July 2013

@JuneKallah:  I would def stick with your actual OB’s EDD, the most accurate ones are the earliest ones done. 

Post # 11
1622 posts
Bumble bee
  • Wedding: September 2012

The best time to date a pregnancy via ultrasound is 8-12 weeks, and the range of error at that time is usually 3-5 days.  The initial EDB is based on mentrual history/charting/etc and then if the ultrasound “agrees”, that date is kept as the “official due date”.  

Once your due date is set, it should never be adjusted later in the pregnancy unless an initial error was made, NOT because the baby is measuring big all of a sudden.

The OB that’s in charge of your care should be the only one to review ultrasounds and consider adjusting dates, so given your certain history and the earlier ultrasounds, it sounds to me like your original EDB is the most accurate.

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