It's not always clear what causes a given bout of hiccups in infants. (healthline.com)
Also, talk to a doctor if your baby's hiccups are disturbing their sleep or if bouts of hiccups continue to happen often after your child's first birthday. (healthline.com)
It's not uncommon for your baby to have multiple bouts of hiccups each day, sometimes lasting even up to 10 minutes. (babycenter.com)