By doing this test, we can identify various fetal heart problems even before the birth of the baby like structural heart defects (e.g. TOF, VSD, TGA, etc) as well as we can detect fetal heart beat disorders like fetal decreased (Fetal bradycardia) or increased heart rate (Fetal tachycardia) along with fetal heart rhythm issues like heart block etc.
Also, by identifying any of the above problems, we can plan further course of pregnancy as well as counsel the family accordingly.
Question that is most commonly asked by the parents is that is it compulsory to undergo fetal echo test?
In Indian set up, majority replies on level II USG, if reported normal then few parents are not willing to undergo this test, but level II ultrasound can detect only 40% of fetal heart ailments.
Few pregnancies should always undergo fetal echo test without any doubt:
Any time after 18 weeks of gestation, we can conduct fetal echo but most ideal time to carry out this test is between 18-24 weeks of gestation, preferably before 20 weeks of pregnancy.
By doing this test, can detect almost 90% of various fetal heart related problems including fetal cardiac holes, fetal heart valve problems, fetal cardiac rhythm diseases before birth of baby.