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 banned and not male because, it was argued, the simulation or upward displacement from vagina to navel was commonplace and obvious in women. Community perceptions have changed and exposure of female midriff and navel is more accepted today and in some societies or contexts it is both fashionable and common, though not without its critics. The exposure of the male navel has not been as controversial nor as common, and is usually in the context of barechestedness. Exposure of the navel by females is commonly associated with the popularization of the bikini, of the crop top and low-rise clothing. In