How accurate is conception dating

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Doppler Ultrasound – This imaging procedure measures slight changes in the frequency of the ultrasound waves as they bounce off moving objects, such as blood cells.

The traditional ultrasound procedure involves placing gel on your abdomen to work as a conductor for the sound waves.Your healthcare provider uses a transducer to produce sound waves into the uterus.The sound waves bounce off bones and tissue returning back to the transducer to generate black and white images of the fetus.In these cases as well, it is difficult to obtain an accurate gestational age.An ultrasound exam is a procedure that uses high-frequency sound waves to scan a woman’s abdomen and pelvic cavity, creating a picture (sonogram) of the baby and placenta.

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