The most common type of congenital atresia is
Type C is the most common type of tracheoesophageal fistula. It involves proximal esophageal atresia with distal TEF.
Proximal blind end, distal end communicating with trachea
Distal blind end, proximal end communicating with trachea
Proximal and distal ends open and communicating with trachea
Both ends bleed