3D -4D- the study of the fetus is an additional research method, which is carried out only simultaneously with an ultrasound of the fetus at different stages of pregnancy!
THE PROCEDURE FOR CONDUCTING THREE-DIMENSIONAL AND FOUR-DIMENSIONAL ULTRASOUND OF THE FETUS
Ultrasound of the fetus in 3D and 4D modes can be performed at any time during pregnancy.
If a specialist in ultrasound diagnostics during the ultrasound of the fetus suspects any deviations in its development, then it is imperative to conduct such an additional construction of a three-dimensional image of one or another part of the fetus of interest.
At the request of future parents, the doctor can build an image of the embryo or the face of the fetus in 3D-4D modes.
Future parents need to know that the most favorable time for successful research in 3D-4D modes is 17-18 weeks, i.e. II trimester (13-24 weeks). Success in building a three-dimensional (four-dimensional) image of the fetus depends on the amount of amniotic fluid and the position of the fetus. In the II trimester, the fetus has not yet reached its maximum size, as in the III trimester; the amount of amniotic fluid is enough to build an image.
Amniotic fluid is the acoustic window for successful imaging, and the desired position of the fetus allows you to get the most complete picture. Not always during the entire study, the fetus takes the right position to build a three-dimensional (four-dimensional) image. In this case, during the next screening, you can try to build the image in 3D-4D modes.
An expert study includes an ultrasound during pregnancy of the appropriate period, in the third trimester with the mandatory Doppler study (blood flow in the mother-placenta-fetus system) with the creation of a 3D image of the fetus in 3D and 4d ultrasound test.
Ultrasound findings include:
Images of the fetus and a disc with the recording of images and mini-video clips that the expectant mother receives on the day the ultrasound is performed.
FEATURES OF 3D AND 4D ULTRASOUND OF THE FETUS
Three- and four-dimensional ultrasound of the fetus is one of the latest ultrasound diagnostic methods that have emerged using modern computer technology. These studies have expanded the possibilities of an objective assessment of the intrauterine development of the fetus and allow it to obtain a three-dimensional image of the baby on the screen of an ultrasound scanner.
For example, with the usual two-dimensional ultrasound, only a specialist can evaluate the “picture” on the monitor screen, while three-dimensional ultrasound allows parents to see the real “photo” of the baby for the first time.
A four-dimensional study is different in that in addition to the volumetric image acquisition of the child (height, width, and depth of the picture), fetal movements can be seen in real-time. That is, a fourth dimension is added to 3D ultrasound - time, which allows you to observe the intrauterine life of your baby.
An obligatory screening ultrasound examination during pregnancy is carried out three times: at 11 - 14, 18 - 24 and 32 - 36 weeks. An additional study is prescribed if there is evidence and if there are suspicions of possible abnormalities in the development of the fetus and placenta, amniotic fluid pathology and pregnancy. 3d ultrasound and four-dimensional ultrasound is recommended at 17-18 weeks.