1. One of the smallest ultrasound transducers is small enough to fit into a blood vessel.

2. Ultrasound can determine the sex of a fetus as early as 18-20 weeks.

3. Ultrasonic waves are used outside of the field of medicine too. Of the many uses, ultrasonic devices can be used to test products, to weld products, and to clean jewelry, lenses, watches, and surgical instruments.

4. For the heart, ultrasound was first used in 1953, when Inge Edler and Carl Hertz used it to measure heart activity using a device from a ship construction company.

If you would like to have an ultrasound done, or a 4D scan, visit your nearest Peermed healthcare centre