A–Z Glossary

Diaphragm

The diaphragm is the muscle separating the chest from the abdomen and is involved in breathing and hiccup reflexes.

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Baby hiccups causes and when to worry

Baby hiccups causes and when to worry

What baby hiccups are A hiccup is a brief, involuntary contraction of the diaphragm followed by closure of the glottis, the opening between the vocal cords. The reflex can be triggered by stimulation of nerves involved in breathing and swallowing, including the phrenic and vagus nerves. In babies, these pathways are still developing, and ordinary […]