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 "If you want to know about fruits, you have to do one film with director K. Raghavendra Rao. He used to put all the fruits around the heroine’s navel (boddu)." In 2016, actress Pragya Jaiswal had requested Raghavendra Rao to have a shot with fruits and flowers on her navel as part of a song sequence. She told in an interview,"That's the third day of shooting with KRR sir and we're canning a song. But actually he's not making any flower or fruit thrown at my navel or waist, that's why I took courage to ask him to hit my