The method know as 3d ultrasound is that can be used during early pregnancy, providing 3 d pictures of the fetus. Most times these ultrasound images are collated and joined together and made into a movie to created a “4d ultrasound”.

Three dimensional scanning works similarly to the usual ultrasound methods except that the ultrasound scanning waves are sent from multiple directions. The waves can be reflected back then captured to provide information to construct a 3 d image in in a similar manner to 3d movies. 3d ultasound scanning was first developed by olaf von ramm and stephen smith in america.

It is important to understand that sonologists everywhere always conjured three-dimensional images of the body in their minds while carrying out 2d scans. However, until recently it was impossible to do this kind of reconstruction on on info using ultrasound. With the advent of 4d baby scans for the first time allowed us a peek into the brain of a sonologist and hence letting us see the images on the ultrasound machine.

3d 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 essential situations needs to be undertaken with an understanding of the risks involved.

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