4D ultrasound what is it and when to do?

4D ultrasounds

Written by: Dr.Prof. Miguel Ángel Herráiz Martínez
Published: | Updated: 17/08/2018
Edited by: Top Doctors®

4D ultrasounds are able to show the baby with total precision and in real time , we can see what he does and at any gestational age. Here we find the big difference with 3D ultrasounds, which only produce an image, it is often used a lot in gynecopathology and especially to see the morphology of the uterus; if we apply it to the baby we would only see a photograph without movement. The 4D echo besides being in real time ( 24 images per second ) can be represented in a sepia color, with which we can clearly see the face, hands, feet and even the entire bone structure in volume.

 

It is true that the echo 4D is only useful for parents to be amazed to see your baby, does not diagnose complications, if we would say that they look better, especially those that concern the face and limbs, so in the Currently in obstetrics and with rare exceptions, it is only used for parents to see their children in volume and in real movement, remaining very calm watching their kicks, blinks or yawns. The best time to perform a 4D ultrasound is between week 26 and week 32, with 27.28 and 29 weeks being ideal (connect with www.ecografia4d.es to see videos in detail).

 

For the diagnosis of possible complications, the traditional 2D is the best method. The ideal is to make a 4D echo by an expert in prenatal diagnosis and then make a 2D echo assessing the baby as a whole, seeing if there is any late malformation not observed at 20 weeks, calculating its weight and assessing whether it is too "fat" "Or" thin ", if the placenta is functioning well and the amniotic fluid is in adequate quantity or how are all flows with Doppler in umbilical, cerebral, uterine arteries etc. In other words, when the patient leaves a 4D echo, not only has she seen her baby in volume and in real time, but she also goes quietly because an expert in prenatal diagnosis has made a complete scan of her baby. Beware of places where they only see your face and then they do not tell you the state of the baby, they are cheaper but they do not give you a medical report and you know that cheap is expensive.

Little danger

Often people often ask if ultrasounds can harm the baby. And the answer is that it is a simple, innocuous and painless technique. It is, therefore, a safe practice for both the pregnant and the baby , since the latter does not receive the theoretical heat produced by ultrasound. The probes of these last generation ultrasound are studied to produce no microwave effect on the fetus.

The frequency of performing ultrasound scans can be variable, from a weekly frequency to a quarterly. In 80% of the cases the routine performance of a 2D ultrasound per trimester of pregnancy is sufficient, there being no reason to perform more, except those couples who wish to make a 4D echo between weeks 26 to 32, in these cases social security it does not cover it, so they must pay for it privately.

 

Vaginally, the favorite method

Ultrasounds can be done vaginally or abdominally. The vaginal is the favorite method of most ultrasounds in the first weeks of gestation and to measure the cervix in those cases where shortening is suspected, as can occur in the threats of preterm delivery, because it provides a clearer image than the abdominal way. In the rest of the ultrasound scans, the abdominal route will be the one that we use routinely.

 

*Translated with Google translator. We apologize for any imperfection

By Dr.Prof. Miguel Ángel Herráiz Martínez
Obstetrics & Gynecology

*Translated with Google translator. We apologize for any imperfection

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