(Closed) early ultrasound question

posted 8 years ago in Babies
Post # 3
1645 posts
Bumble bee
  • Wedding: May 2010

We were a week ahead of where I thought. That explains me getting a super strong positive test 3 days before my missed period.

Babies grow at different rates. I read, via babycenter, that toes usually grow between 8-9 weeks. That supports your date, assuming what you saw were in fact toes. It sounds like she was in a rush and not doing a thorough job on the ultrasound. The baby needs to be in a good position to get measurements, and if the tech is off a little bit, there can be a big difference, which is why they are supposed to get a min of three readings, more if one or two are off from the others.

I would stick with your dates and check with you dr next time.

Post # 4
751 posts
Busy bee
  • Wedding: May 2010

It’s an inexact science.  I have a friend who is due in the next few weeks and they have constantly adjusted her due date!   Babies grow at different rates, doctors work with what is “average”.  Next time you go in ask them to slow it down and really talk to you about where you are at in your pregnancy.  Congrats! 

Post # 5
801 posts
Busy bee
  • Wedding: August 2008

Keep in mind the machines are calibrated to a certain size baby.  The ultrasound machine one of my drs uses is calibrated for a 7lb 4oz baby and I usually measure ahead of what my actual date is because genetically speaking, I may have a baby bigger than that, which is out of my control.  I’ve measured ahead since 7 weeks, when they took the first crown to rump measurement.

Because your tech was rushed, just wait for your next one before you get worried about dating how far along you are.  If you going to worry no matter what, call your practice and ask the questions you’ve posed here.  They are valid questions, particularly for a first time pregnancy in my opinion.

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