Accuracy of ultrasound dating Adult flirt dating

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8 wks is not necessarily more accurate for dating, but presence of a fetal pole and heart rate (which may not be seen at 6 wk) is more reassuring that the pregnancy is on track. Read more See 1 more doctor answer There has to be more to this story.

Why would any OB offer you three ultrasounds so very close together?

Around week 20, an ultrasound might be used to detect fetal abnormalities.

Considering the many important uses of this technology during pregnancy, it's fair to wonder, how accurate are ultrasounds?In addition to diagnostic uses, such as evaluating abnormalities in the abdomen, pelvis, and breast, ultrasounds are commonly used to guide needle and catheter placement in a variety of surgical Due dating pregnancies is more accurate with more than one ultrasound performed.However, the 6 week ultrasound might be more accurate in dating your conception.Michael Rothman, MD, a neuroradiologist practicing in Maryland, explains to Romper that an ultrasound works much like sonar, with energy applied to the body by a microphone — called a — creating an acoustic echo."High-speed computers can reconstruct the internal structure of the target based on the speed and strength of this returned noise," he explains.

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