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 has actresses expose their navels. Film scholar Mahesh Kathi commented that Telugu cinema has a long history of "fondness for the navel", citing old South Indian temple architecture, which features numerous prominent displays of navels in their carvings, and calling such displays a "South Indian aesthetic sensibility". He continued, "Cinematically, while cleavage is just a peek at the bosom, the navel encompasses the woman's entire sensuality. The 1978 film "Maro Charitra" was the first to feature the scene where a top spins on the female protagonist's navel. Veteran Telugu film director Kovelamudi Raghavendra Rao's movies always have guaranteed navel show