(Closed) Calculating Your Due Date….

posted 6 years ago in Pregnancy
Post # 3
5670 posts
Bee Keeper
  • Wedding: August 2010

If you don’t have any proof of when you O’d then it is very common for your doctor to go by your LMP and then will readjust if needed after the first ultrasound. Most early ultrasounds are accurate predictors (within a few days) of your due date. 

Post # 4
2638 posts
Sugar bee
  • Wedding: November 2006

I will let you know what my U/S technician and doctor say, but I know exactly what day I ovulated/conceived and it’s five days after the LMP calculation. I plan on telling them that but sometimes medical professionals don’t listen, in which case they’ll probably tell me I’m measuring small and then I’ll have to force them to hear me.

Post # 6
2226 posts
Buzzing bee
  • Wedding: May 2010

@mintmercury:  I posted this on the 6 months up TTC success board, but I thought I’d post here. I had IUI, so they technically know the exact day I got pregnant.  However, when I had my 2 ultrasounds at my RE’s office, they measured the baby and based my due date on that.  My OB did the same thing at my ultrasound with her (the baby was measuring big).  So, I’m assuming they’ll probably do the same with you.  Also, my OB told me it’s basically a due month, not a due date anyway Smile

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