An ultrasound is a medical imaging technique that uses high-frequency sound waves to create images of the inside of the body.
A pregnancy ultrasound, also known as a sonogram, is a medical imaging test that uses high-frequency sound waves to create a visual image of a developing fetus and the mother's reproductive organs during pregnancy. The test is typically performed using a transducer, which is a small hand-held device that is placed on the mother's abdomen or inserted into the vagina.
You can get an ultrasound scan at any time of your pregnancy; however, scans are typically offered at:
The images created by the sound waves are displayed on a monitor for the technician and parents to see. The procedure is noninvasive and typically causes no discomfort. Ultrasound can be used to determine the due date, check for multiple pregnancies, and monitor the growth and development of the fetus.