I have a 10day old baby who I observed that anytime I finished breastfeeding her, she will start making hiccups which usually lasts about 10 minutes b
Hiccups are common and nothing to worry about in infants... They usually resolve spontaneously on their own.
It is caused by the stretching of the diaphragm in new borns. You don't have to do anything, it will resolve on it's own.