3D-4D ultrasound of a fetus imaged with a GE Volusion E10 system. It shows the yoke sac.
Below is a collection of prenatal ultrasound pictures from the Imaging Technology News (ITN) archive. Use the arrows to click through the image gallery. It includes transvaginal ultrasound images and fetal echocardiogram images. Fetal imaging is referred to by many names, including pregnancy sonograms, pregnancy ultrasound, endovaginal ultrasound, obstetric ultrasound, OB ultrasound, baby ultrasound, prenatal ultrasound. Fetal heart ultrasound is also called baby echo or prenatal echo.