The diagnosis is strongly suggested by ultrasound (sonogram), but definitive diagnosis requires histopathological examination. In a pelvic sonogram, organs of the pelvic region are imaged. Also found is a sonogram of Mary's baby, exposing her pregnancy. X-ray may be used in conjunction with MRI or sonogram images to assist preoperatively. A sonogram confirmed that the twins Mac was carrying were boy and girl. This makes a picture called a sonogram. A framed baby sonogram sits on the table with the name "Kate Martin" on it. Next the transducers evolved to fan-shaped beams to produce a better "sonogram" or sonar image. The sonogram is objective, unlike descriptive phrases, but proper interpretation requires experience. Ross is hesitant to be at the sonogram and asks how he can be involved.