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How do 3D and 4D scans work?

How do 3D and 4D scans work?

How do 3D and 4D scans work?


Ultrasound works by “listening” to sound waves that are sent out and then passed straight back up to the transducer again. With 3D ultrasound, the sound waves are directed down and different angles which lets the sound wave receiving equipment re-capture the sound waves coming back then those same sound waves are used to produce a  3-dimensional image. This process is called  “surface rendering”. With 4D technology, the still images produced with 3D ultrasound are played in order one after another which creates a moving real-time images or moving video clips.

Benefits of 3D/4D Ultrasound

There are few medical benefits of 3D/4D ultrasound in terms of diagnosis, but there is one benefit that most mothers who have had a 3D/4D scan experience. Your baby is no longer just a bump that you see as a black and white flat image on screen. Your baby becomes a little person with habits and preferences all of it own. You can watch baby move, play with the cord, suck it's thumb. After seeing all of this mothers can build a stronger bond and may begin to take better care of themselves in terms of diet, stopping smoking, exercise or stress reduction.

Some clinics will incorporate health checks or well-being checks with your 3D or 4D scan which can be of medical benefit particularly in the third trimester where knowing that your baby is growing properly and is getting the right amount of nutrients and oxygen through the placenta and can give mothers a lot of reassurance. 

Finding a good 3D/4D Ultrasound clinic

Referrals from friends and family is probably one of the best sources. One huge thing to look out for is definitely, Is your local provider Care Quality Commision (CQC) registered? The CQC inspect any medical facility and check everything including cleanliness, safety, qualifications of staff performing the scans, patient feedback, whether people are treated with dignity and respect and what policies procedures are for any occurring events. There's quite a list but, if your local clinic has been inspected and the report is good then you are pretty well assured that you have chosen a goody! It's always best to stay fairly local, just in case your baby isn't feeling very sociable on the day of your appointment which can happen sometimes and if you have gone too far a field then travelling can be a bit inconvenient.

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