1. Using the B-ultrasound machine is a painless procedure.
2. Ultrasound does not use radioactive substances, so there is no need to worry about the negative effects caused by radioactive substances.
3. Ultrasonic devices emit sound waves.
4. The use of B-ultrasound machine is an advanced technology for the health examination of pregnant women and unborn children (including cow pregnancy).
5. There are no known side effects of standard ultrasound imaging.
6. Ultrasound is a non-invasive imaging technique.