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Are ultrasounds accurate when telling you how far along you are ? So if the Dr said I'm 8weeks I can't be nothing but 8weeks for sure right ?
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134578 tn?1546634665
If the doctor said you are 8 weeks "along" or 8 weeks "pregnant," he is saying you're about 6 weeks since conception.  Doctors use the medical way of counting, called GA or gestational age, and that count begins on the (presumed) first day of the woman's last period, not on the assumed day of conception.  
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@anniebrooke.  .I'm 12weeks & my due date is July 22 2015 when did I get pregnant ? If you don't mind helping me I had in irregular period I just know I came on in October but I didn't come on in November .
134578 tn?1546634665
Was the due date of July 22 given to you in your eighth week from the ultrasound results?  If so, it will probably not be off by much, a couple of days at most.  If it was just given to you from counting on a calendar or little wheel, it can be less accurate, especially if your menstrual cycles are irregular.  The conception calculator I use gives the following for July 22 due date:

     Probable date of ovulation:  October 29
     Possible dates of conception:  October 24 to November 1

Avatar universal
@AnnieBrooke .
When my dr wanted to see how far along iam i had in ultrasound when i was 8weeks nd he gave me the due date of July 22 . I just wanted to know was ultrasounds accurate ?
134578 tn?1546634665
Ultrasounds are accurate early in the pregnancy, maybe off by a day or two.  

If you were given the due date of July 22, that means you got pregnant on or around October 29.
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