Navel changes to diet and exercise, unexpected change in shape may be the result of ascites. In addition to change in shape being a possible side effect from ascites and umbilical hernias, the navel can be involved in umbilical sinus or fistula, which in rare cases can lead to menstrual or fecal discharge from the navel. Menstrual discharge from the umbilicus is a rare disorder associated with umbilical endometriosis. To minimize scarring, the navel is a recommended site of incision for various surgeries, including transgastric appendicectomy, gall bladder surgery, and the umbilicoplasty procedure itself. Abdominal thrusts is a first aid method
Cultural views on the navel a large cloth hat. The belly button is traditionally painted into a mouth. In recent years, modern motifs and Japanese anime designs have appeared in the festival. Sigiriya frescoes depict royal ladies wearing cloth draped as a "dhoti", tied in a knot at the front and pulled down to expose the navel. They wear pleated robes from the waist upwards, as well a necklace, armlets, wristlets, ear and hair ornaments, and display their breasts. The ladies in waiting wear waist clothes, a few ornaments and a firm "thanapatiya" ("breast bandage"). In the Sinhalese poetic work Kaviyasekara, a father advises his