Spontaneous pneumomediastinum in 3rd trimester of pregnancy.

A 25-year-old primiparous woman in her third trimester (36. week) of pregnancy presented with spontaneous pneumomediastinum and cervical subcutaneous emphysema. The patient's symptoms were completely resolved after 2 weeks of supportive management. A Caesarean section was performed in 40. week under general anaesthesia resulting in the birth of a healthy infant. Spontaneous pneumomediastinum is very rare and generally dangerous for a pregnant woman and infant.