Congenital heart disease (CHD) is a disorder in a baby’s heart which is present at birth. It is one of the most common types of birth defects. Fetal Echo or Fetal Echocardiogram is an ultrasound test which is used by doctors to check for congenital heart disease in unborn babies. The heart of a baby begins to form shortly after conception and is completed by the eighth week of pregnancy. The heart starts off as a tube-like structure that twists