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 midriff, the "Dharmasastra" writers stated that women should be dressed such that the navel was never visible, and navel exposure became taboo. The trend of exposing the navel was started by women who were dancers, acrobats, or entertainers, and who developed a technique of wearing the sari like a pair of trousers well below the navel to assist in the free movement of the legs. Women in this type of attire are very common in many ancient Indian sculptures, and paintings. Indian sculpture emphasised the centrality and sexuality that emanated from the depiction of the woman's navel. One of the