pregnancy






 

Question by  thurston81 (72)

Is it common for doctors to use the due date as determined by the ultrasound scan over your last missed period?

I have two different due dates, however the doctor goes by the date from the ultrasound and not my last missed period.

 
+7

Answer by  capri (52)

It's common for doctors these days because the error of margin in ultrasound scan technique is less than calculating EDD by last missed period. Hence ultrasound is relatively more accurate.

 
+5

Answer by  Roland27 (16334)

Yes, because the Ultrasound is usually more accurate. When the Technician does your Ultrasound he measures the dimensions of your baby. By those measurements he can determine the age of the fetus and when you're due.

 
+5

Answer by  angiem1981 (1059)

Yes. Doctor's go by ultrasound scan data most often than not for a variety of reasons. Unlike the last date of your missed period, they are able to tell almost the exact time of the pregnancy due to the fetal development milestones and size of the fetus. However, do not expect your due date to be right on target.

 
+4

Answer by  John (9008)

Doctors commonly use a date determined from the ultrasound. This date is usually more reliable, although all due dates are rather inexact. A woman's menstrual cycle can vary; also, it may not determine when conception occurred.

 
+4

Answer by  alrac (197)

Because many women do not have consistent menstrual cycles, the ultrasound date is preferred in many cases. Ultrasound dates, especially if done early in the pregnancy, are extremely accurate.

 
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