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 who conducted lectures about belly buttons, said, "The belly button has been a sign of beauty in goddesses as different as Astarte, Venus or Aphrodite. We ask which is more beautiful, the perfectly round belly button of Jane Fonda or Raquel Welch's grain of coffee navel? Every star from Madonna to Shakira proudly displays their belly button." On the contrary, American columnist Kathleen Parker in an article about Katharine Hepburn once commented, "Young movie-going girls today don't have access to many in the mold of Katharine Hepburn. Instead by mall observations most are Britney wannabes—hip-hugged, tattooed, pierced and out there.