4d scans - baby ultrasound.co.uk
The method know as three dimensional ultrasound scanning is used in early pregnancy, it provides 3d images of the unborn baby. Most times these ultrasound images are collected and joined together and animated to created a “4d ultrasound”.
Three dimensional scanning works in a similar manner to the usual scanning methods except that the ultrasound waves can be directed from multiple directions. The ultrasound pulses are redirected back then captured to provide information to construct a 3d image in much the same way as 3d movies. 3d ultasound scanning was devised by stephen smith and olaf von ramm.
It’s important to understand that sonologists worldwide have always conjured 3d images of the body in their minds while carrying out 2d scans. However, until recently it was not possible to do this type of reconstruction on on data using ultrasound. With the advent of baby scans for the first time allowed us a peek into the mechanics of thinking of a sonologist and so letting 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. There is no data to suggest harm due to 3d ultrasound, its use in none medical situations needs to be undertaken with an understanding of the risks.











