1. What are baby hiccups? Baby hiccups are a spontaneous hiccup reaction caused by excess gas in the gastrointestinal tract. This phenomenon is common after birth, especially after feeding. Under normal circumstances, hiccups will not have any impact on the baby\’s health, but if they occur frequently or last for too long, parents need to pay attention. 2. Why do babies hiccup? 1. Swallowing too much air: Dang Bao