Time is also taken to make sure that the baby is swallowing, breathing and moving normally. It determines the lie or presentation of the baby (breech, transverse or cephalic), it provides us with information about the placenta location and appearance, it establishes an estimated fetal weight, it examines the umbilical cord Doppler flow to determine whether the placenta is functioning as it should, it calculates the amniotic fluid volume around the baby and it allows for the sonographer to check the standard fetal measurements. Patient’s should be cautious of utilising services who only offer 4d scans without a fetal well-being check.Ī 2D ultrasound scan is the best method of providing a full well being fetal assessment. This is why it is paramount that these scans be done with a well-being component. A 3D/4D scan only provides a detailed high definition still picture/motion picture but doesn’t provide any further information about the well being of the baby.įetal abnormalities are best detected with 2D (black and white) ultrasound. It will not detect any abnormalities or problems that your baby may have. What’s Important to know about a 3D/4D ultrasound?Ī 3D/4D ultrasound provides no clinical benefit. A 3D/4D scan will not be able to pick up on abnormalities that a 2D scan can. It’s important to note that if you do get a 3D/4D scan that it includes a full fetal wellbeing scan as well. 3D/4D scans are great for when parents want to meet their baby for the first time before they are born. There are no requirements when pregnant to get a 3D/4D scan. They send multiple waves at different angles but instead of capturing a still image they give you a real time 3 dimensional moving image. 4D scans operate the same way as 3D Scans. 3D scans allow sonographers to capture more details of the baby’s aesthetic features and give parents and peak as to what their baby will look when born. You may see the shape of your baby’s mouth and nose, or be able to spot them yawning or sticking their tongue out.ģD and 4D scans are considered as safe as 2D scans, because the images are made up of sections of two-dimensional images converted into a picture.ģD scans send waves from lots of different angles to help create a high definition picture of your baby whereas a 2d scan will only send waves from one angle and create a black and white still images. With 3D and 4D scans, you see your baby’s skin rather than their insides which is normally carried out in a 2D scan. How is a 3D/4D scan different to any other scan? If patients are wanting a very thorough check of the fetal organs then they should actually opt for the “ detailed anomaly scan” instead which is performed 18-24 weeks – this is in 2D only. 3D/4D scans are completely optional for pregnant women and are really just an extra bonus to get to meet your baby a little earlier. A 3D/4D scan provides high definition images of your baby’s facial features and shape in both still images and moving images.
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