3.0T MR scanner can achieve superior image quality depicting fetal anatomic details over 1.5T, but may poses higher risk of adverse impact on fetal auditory development due to its intrinsically higher acoustic noise level. This comparative study investigated the value of acoustic noise reduction technique in fetal exam. The result shows the technique can acquire equivalent quality images in 3.0T scanner, meanwhile decrease hearing loss risk in fetal head examinations compared with the conventional method.
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