5 doctors weighed in:
Would a fetal heart ultrasound find all problems if there were any?
5 doctors weighed in

Dr. Nikolaos Zacharias
Obstetrics & Gynecology - Maternal Fetal Medicine
3 doctors agree
In brief: Depends.
Depending on maternal bmi, gestational age, number of fetuses, fibroids, fetal position, machine used, duration of the examination, examiner experience and amniotic fluid volume - prenatal sonography can pick up 20-70% of all fetal heart defects.
Fetal echocardiography should detect >90% of such defects, but there are not enough pediatric cardiologists interested in fetal echo around to try that.

In brief: Depends.
Depending on maternal bmi, gestational age, number of fetuses, fibroids, fetal position, machine used, duration of the examination, examiner experience and amniotic fluid volume - prenatal sonography can pick up 20-70% of all fetal heart defects.
Fetal echocardiography should detect >90% of such defects, but there are not enough pediatric cardiologists interested in fetal echo around to try that.
Dr. Nikolaos Zacharias
Dr. Nikolaos Zacharias
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Dr. Danae Steele
Obstetrics & Gynecology - Maternal Fetal Medicine
In brief: No
No ultrasound can diagnose all problems in a baby, and fetal heart ultrasounds can miss problems too.
A good fetal echocardiogram should be able to diagnose most major heart defects in a fetus, but there are factors that can make the exam difficult, like the gestational age of the fetus, the position of the fetus, or a mother who is obese.

In brief: No
No ultrasound can diagnose all problems in a baby, and fetal heart ultrasounds can miss problems too.
A good fetal echocardiogram should be able to diagnose most major heart defects in a fetus, but there are factors that can make the exam difficult, like the gestational age of the fetus, the position of the fetus, or a mother who is obese.
Dr. Danae Steele
Dr. Danae Steele
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