<unk> s occur only in males. The hernia involves fat or the small intestine sliding through the weak muscles into the groin. A direct hernia develops gradually because of continuous stress on the muscles. One or more of the following factors can cause pressure on the abdominal muscles and may worsen the hernia:
sudden twists, pulls, or muscle strains
lifting heavy objects
straining on the toilet because of constipation
weight gain
chronic coughing
Direct inguinal hernia
Indirect inguinal hernia
Inguinal hernia
Urinary bladder hernia
Sciatic hernia
Internal hernia
Varicocele
Obturator hernia