What is a 4D ultrasound? How does it work? Have you had one? Is the picture as good as they say it is?
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M$8 Answers
A 3D/4D (the 4D is only different in that the pictures of the fetus are made very rapidly, giving the impression of live video called this, because, as you might have heard, time is considered to be the fourth dimension) ultrasound, on the other hand, scatters sound waves throughout the womb and uses much more sophisticated and complicated methods to produce an image.
Comparison:
Standard ultrasound (first image):
Depending on the stage of fetal development and sheer luck, some images may come out much more clearly.
3D Ultrasound (second image):
As you can see, this image is far more detailed. As is the case in this example, 3D ultrasounds are also usually artificially made flesh-colored, probably to give the parent(s) observing more of a sense of familiarity with their unborn child.
4D Ultrasound (video)
As you can see, the picture is a definite improvement. But if you're looking for a family photo to treasure for decades, I'd recommend waiting until after childbirth.
As a side note, there's no real diagnostic reasons I'm aware of that make use of the 3D/4D ultrasound; most conditions would either be caught by a standard sonogram or by completely unrelated methods.
First image from Wikipedia:
Second from: http://www.yourultrasound.com/determining-baby-gender-with-3d-and-4d-ultras...
Video from: http://www.youtube.com/watch?v=GmzUw05bbD0
Additional information:
General info - http://en.wikipedia.org/wiki/3D_Ultrasound and http://en.wikipedia.org/wiki/Medical_ultrasound
http://www.4d-ultrasoundscan.co.uk/articles.htm#Bookmark4Dand3DUltrasoundSc...
Providers of 4D ultrasounds: http://www.4dpeek.com/
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M$
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pregnancy
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M$“4D” is shorthand for four-dimensional – the fourth dimension being time. As far as ultrasound is concerned, 4D is the latest ultrasound technology. 4D takes three-dimensional ultrasound images and adds the element of time to the process. This allows you to see your unborn baby in amazing real time detail.
What is the Optimal Time ?
This depends on how you would like to see your baby. Before 24 weeks, babies have a more skeletal appearance with 4D, but you are able to see more of the baby at once. From 28-36 weeks, babies are developing the fat layer that fills in their features so you will see more facial detail at this time.
it is very safe and it can get very good pictures
the reason i am confident is that i do it for my patients
i am a doctor
hashem kazem MRCOG 2005
alhossami46@hotmail.com
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M$An ultrasound is a procedure in which high-energy sound waves (ultrasound) are bounced off the uterus thereby producing echoes. The echo patterns form a picture of the fetus, which is shown on the screen of an ultrasound machine.
2D ultrasound, sometimes referred to as "traditional" ultrasound, works by “listening” to sound waves in a single plain. The ultrasound is directed straight down and reflected back up again. 3D ultrasound works by a different process known as "surface rendering". The same sound waves used in 2D are sent down—this time at different angles. These reflections are interpreted through sophisticated software, and a 3D image of the fetus is instantly created. 3D ultrasound produces a life-like image instead of the usual flat picture from a 2D image. Surface details can now be visualized with remarkable clarity.
4D or four-dimensional Ultrasound is the latest ultrasound technology. 4D ultrasound is captured in the same manner as 3D ultrasound. However instead of looking at a single still image produced by 3D ultrasound, 4D Ultrasound enables you to view live “video” of the fetus in the womb. 4D takes three-dimensional ultrasound images and adds the component of time to the process, allowing visualization of the unborn baby in amazing real-time detail. The result: live action images of your unborn child.
Ultrasound has been safely used and widely accepted in obstetrics for over 35 years. Women having trouble with their pregnancy can safely undergo many ultrasound scans.
Advantages of 4D ultrasound
The examination time is shorter because the baby’s anatomy can be studied in any level from the stored computer image. Parts of the baby’s anatomy can be seen much more clearly than with 2D ultrasound, especially the face, arms, legs, fingers and toes. The baby’s activities inside the womb can be seen, which are difficult or impossible to identify with 2D scanning. With 4D scanning, you can see the fetus yawn, cry, swallow, blink, and perform intricate finger movements.
4D Ultrasound offers parents the opportunity to see their babies like never before, creating an incredibly intimate bonding experience. Studies have shown that seeing your unborn baby can help alleviate maternal anxiety and depression as well as enable the father to feel more connected to the pregnancy, strengthening the bond with his child.
Diagnostic uses of 4D ultrasound
• Determine the age of the baby
• Analyze development of the baby
• Evaluate multiple pregnancies
• Detect structural problems of the uterus
• Detect abnormalities of the placenta
• Detect abnormal bleeding
• Determine ectopic pregnancy
• Detect ovarian tumor/fibroids
• Locate the placenta
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M$
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M$http://www.3d-4d-ultrasounds.com/centers.php
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M$You can leave an optional "tip" with Mahalo's virtual currency, Mahalo Dollars. If you are asking a difficult question that might require some research, or if you'd like a wide variety of feedback, a higher tip often leads to more answers to your question.
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