MRI is it complementary or mandatory to ultrasound in classification of different congenital anomalies of female reproductive tract?

The use of diverse imaging modalities, in conjunction with clinical information, provided important clues to the diagnosis of MDAs. The imaging work-up for MDAs usually begins with ultrasound. Although it might have been suffice to detect the presence of a uterine abnormality, MRI was generally needed to classify the abnormality into a specific MDA category.