Does ultrasound mean black and white or color ultrasound?

You ask a very general, ultrasound can be done black and white can also be done in color, just like you say to buy a TV, ask whether it is black and white or color, the single marked with. You can also judge according to the price of 20 to 40 yuan is usually black and white, if the abdominal ultra to rise urine, vaginal ultra nothing to prepare. No need to fasting.