What Causes Hiccups in Unborn Babies?
Hiccups are spasms that occur in the diaphragm. During the spasm, air enters the diaphragm, causing a sound to escape. It is fairly common for people to experience hiccups, but it can make expectant mothers nervous when hiccups come from an unborn baby. Hiccups in fetuses are not always related to breathing. They can be induced by various factors.