Why do newborns always hiccup? Newborns often hiccup in the first few months after birth. Although this situation is normal, it makes many new parents feel at a loss. Today, let us find out why newborns always hiccup. Underdeveloped Digestive System It takes a while for a newborn\’s digestive system to fully develop. Therefore, after nursing or eating, the baby may swallow too much air, causing gas and burping. Especially when breastfeeding, babies can easily swallow air. Therefore, when breastfeeding, it is necessary to raise the baby\’s head slightly so that the baby\’s tongue and