 Like the lungs, the intestines may also have trouble developing correctly.If the intestines are trapped within the lungs, then the lungs and intestines may not be receiving the amount of blood they need to stay healthy and function properly.Bochdalek hernias make up about 0.17% to 6% of all diaphragmatic hernia cases when they appear spontaneously in adults and about one in every 2200 to 12,500 births every year.