Most doctors will send you for your first ultrasound around 8-12 weeks depending on the doctor and your medical history.... If you are bleeding early on you may be sent at 6-7 weeks. At 11-12 weeks you can have a nuchal scan which measures the thickness of the fold at the back of the neck for Down's syndrome, you will also have dating measurements done (if not done earlier) so you know your due date and the blood tests for abnormality can be done accurately. If none of these tests are being done you may not need a scan until 17-20 weeks when a scan is done to check the baby's legs, arms, spine heart, kidneys etc are normal. You may also be able to find out the sex of the baby at this point. It is not really necessary to have a scan at all but most women do have them done if they can afford them.
it was invented in 1965
ultra sound
ultra sound tech
how much does a ultra sound tech make?
frequencies higher than 20 kHz are called ultra sound or ultra sonic sound.
ultra sound is 20 to 20000 hertz its applications just find it
1980
I think you can find out on the first ultra sound (vaginal).
you have to upgrade your clinic and the ultra sound comes with it.
the first ultra sound is normally the 8th week
Bats use ultra sound by sending out ultra sound waves and then when the bounce back the know exactly where everything is even in the dark. I will work better with ultra sound because all of the wave will bounce back otherwise some of the wave will be absorbed.
Ultra Sound - 1998 Will Smith was released on: USA: 1999