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 of baring the midriff but gluing a jewel on the navel was used in many other Hollywood films featuring belly dance sequences. Kim Novak wore a ruby in her navel for the film "Jeanne Eagels" (1957); saying in an interview, "they had to glue it in every time. I got a terrible infection from it." Marilyn Monroe, for a scene from "Some Like It Hot" (1959), wore a dress that revealed skin everywhere but had a tiny piece of fabric to hide her navel. (The film was condemned by the National Legion of Decency, but for other reasons.) By the