Hiccups occur when fetus Tablet unborn child usually contracts as a result of breathing in liquid alamnioni. It is natural, and often feel like the rhythmic pulse of the heart in the uterus can be felt mostly even from abroad. Some unborn children tend to be more hickob than others, but several times each day, and the same pattern may continue once born. Hiccups often start baby second or third quarter, although they sometimes also begin in the first quarter. Although it may seem a trouble child birth, fetal hiccups don't tend to cause discomfort in the unborn child, and even calming sleep while in utero. normally no reason why the child unborn pitfalls, just as there is when children and adults. Embryos practice breathing while in utero, and as it is surrounded by liquid alamnioni, they're often breathing inside and outside. When entering the lungs, and diaphragm contracts are terminated, resulting in hiccups. Since developed necessary hickob nervous, hiccups fetus there wont even second or third quarter, at this point evidence proper growth.