4d scans allowing you to see your baby in the womb

The method know as three dimensional ultrasound scanning is that can be used during early pregnancy, it can provide 3d pictures of the unborn child. Most of the time the ultrasound images are captured and joined together and made into a movie to created a "4d ultrasound".

Three dimensional scanning works in the same way to the normal scanning methods except that the ultrasound scanning pulses can be directed from multiple directions. The waves can be reflected back then captured to provide information to construct a 3-dimensional image in in the same way as 3d pictures. 3d ultasound scanning was devised by olaf ramm and stephen smith.

It is important to understand that sonologists everywhere have always pictured 3d pictures of the body in their minds while doing their 2d scans. However, until recently it was impossible to do this type of reconstruction on on data using ultrasound. With the advent of 3d and 4d ultrasound for the first time allowed us a peek into the brain of a sonologist and so allowing us see the images on the ultrasound machine.

3d/4d imaging should utilize ultrasound energy following the same limits as conventional 2d ultrasound to create the 3d images. While there is no information of harm due to 3d ultrasound, its use in none medical situations should be undertaken with an understanding of the risks that may exist.

Doug writes for sites includingBaby scanning

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4d scans allowing you to see your baby in the womb
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