Pages tagged: foramen ovale

A patent foramen ovale (PFO) means that the foramen ovale stays open after birth. About 1 out of every 3 or 4 people has PFO. Most people with PFO go their whole lives without any symptoms. In fact, PFO is usually discovered only when patients undergo tests for other heart conditions.

The baby growing inside of the mother’s uterus (the womb) is called a fetus. The growing fetus is fully dependent...