Tetralogy of Fallot: what does this diagnosis mean during pregnancy?
Dr. Andre Miyague
March 13, 2026
Receiving the news that there is a heart defect in the baby during pregnancy often generates many doubts and insecurities. Among the congenital heart defects that can be identified prenatally is... Fallot's Tetralogy, a heart condition that is relatively well-known in medicine, but poorly understood by the general public.
In this article, I explain What is Tetralogy of Fallot, how can it be identified during pregnancy, and why is prenatal diagnosis so important for planning the baby's care?.
The goal is to transform a complex medical term into understandable information, without alarmism and always based on evidence.
