Answers To Some Frequently Asked Questions
What is a 3D ultrasound?
3D ultrasound is a medical ultrasound technique, often used during pregnancy, providing three dimensional images of the fetus. There are several different scanning modes in medical and obstetric ultrasound. The standard diagnostic mode is 2D scanning. In 3D fetal scanning, however, instead of the sound waves being sent straight down and reflected back, they are sent at different angles. The returning echoes are processed by a sophisticated computer program resulting in a reconstructed three dimensional volume image of the fetus.
What is the difference between 3D and 4D ultrasounds?
A 4D ultrasound is a video clip of your baby in 3D, where the fourth dimension is time. You can see your baby in 3D moving over time, and this clipalong with your entire ultrasound session can be saved on DVD.
Can we hear or feel ultrasounds?
Neither you nor your baby will hear the ultrasound waves. These sound waves have a minimal effect. When the system is used only in the Obstetrics Application, the 2D, 3D, 4D ultrasound energy is limited by the manufacturer below FDA limits for obstetrical ultrasound, whether scanning 2, 3 or 4D. (The FDA limit for obstetrical ultrasound is 94 mW/cm2) The strength (or loudness) of the ultrasound waves from our 3D ultrasound machine is closely regulated by the FDA. Our 3D, 4D ultrasound machine at Prenatal Sneak Peek 3D 4D ultrasound Bel Air, Maryland meets these regulations.
Is getting an elective (non-medical) ultrasound safe for my baby?
Since July, 1955, when ultrasounds were first used in pregnant women, and over the last 30 years of widespread almost universal use of ultrasounds, there has not been a single known case of a miscarriage or abnormality attributed to the use of 2D 3D 4D ultrasounds. Its safety profile has been proven over the decades. While there has been no conclusive evidence for harmful effects of 3D ultrasounds on a developing fetus, there still remains controversy over its use in non-medical situations. Generally, the AIUM recommends that 3D ultrasounds should be undertaken with the understanding that an unknown risk may exist.

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