... be linked to a higher risk of Down syndrome An ultrasound image to look for fluid in the back of the baby's neck, which may be a sign of Down syndrome Second trimester screening includes blood tests to check ...

... of ultrasound can create 3-D (three-dimensional) images. Other names: sonogram, ultrasonography, pregnancy sonography, fetal ultrasound, obstetric ultrasound, diagnostic medical sonography, diagnostic medical ultrasound What is it used for? A pregnancy ultrasound may be used to: Check the size, position, heart rate, and age of the unborn baby See if there is more than one baby Screen for: Genetic disorders , such as Down syndrome Birth defects in the heart , brain and spinal ...

... an x-ray table. The radiologist will take images of your abdomen using a scanning device. The ... show how food travels through your stomach. Additional images will be taken over the next few hours ... 1, 2, and 4 hours after the first image was taken. A gastric emptying study may also ... may be asked to change positions while more images are taken. Gastric emptying breath test. During this ...

... and closed You are looking at a moving image on the screen in front of you Other ...