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 allowed and what is not, instead of taking decisions according to their whims and fancies." Actor R. Madhavan commented, "I have often been embarrassed to see certain films I have done. ... when I see myself kissing a dancing heroine's navel in some films, I feel ashamed." Actress Taapsee Pannu commented, "I believe the navel is overrated. I think sensuality can be expressed in other ways." Bengali actress Swastika Mukherjee said, "I am not very comfortable though I have tried wearing a "lehenga choli" with a stick-on in my navel." Many actresses have opted to hide their navels by wearing