As the most common form of ultrasound, a 2D ultrasound creates a black and white image that shows the skeletal structure of the baby and makes the internal organs visible. The 2D ultrasound is most commonly used to diagnosis the health of the baby. As the name implies, all 2D images are flat and have no depth to them.
Much like 2D ultrasounds, a 3D ultrasound uses soundwaves to develop an image of the baby inside of your womb. However, unlike the flat image given by a 2D ultrasound, a 3D ultrasound creates the appearance of a three-dimensional image of the baby. This allows the expecting parents to see their baby's face, rather than just the outline of the face.
4D ultrasounds also create a three-dimensional image but provide the benefit of creating an effect like a live video. With this type of ultrasound, you could potentially see your baby smile or yawn in the womb because it compiles hundreds of images into a moving video.
Three-/four-dimensional (3D/4D) imaging enables a more detailed survey of the embryo and the foetus compared to two-dimensional (2D) ultrasound. The availability of several display modes and standardised examinations permits the demonstration of both the normal and abnormal foetal anatomy in controlled planes and rendered images from different angles. more…
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