What Causes Unborn Babies to Have Hiccups?
Fetal hiccups often start early in pregnancy, long before you can feel any fetal movement. Hiccups, a reflex action, occur in one in 50 babies, according to Michelle Murray, PhD, RNC in the book, “Antepartal and Intrapartal Fetal monitoring: Third Edition.” Hiccups generally are benign but in very rare cases may indicate fetal problems.