What factors cause babies to frequently hiccup?

Patient's question:

Usually, burping occurs after drinking formula milk. What's going on? Medical history and treatment effects: No treatment has been received. What kind of help do you want: How can I improve the frequent burping situation? Thank you

Doctor's answer:

Babys hiccups are caused by the baby being full. It is considered a normal phenomenon for newborns, and there is nothing wrong with it. It is recommended to wait and see, pay attention to feeding methods, and avoid swallowing air. Wait and see, as it is likely nothing to worry about.
The above advice is for the question "Why does my baby hiccup frequently when they are less than a month old?" I hope it helps you. Wishing you good health!