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 "Your navel is a rounded bowl." The verse preceding the line mentioning the navel (Song of Songs 7:1) states, "your rounded thighs are like jewels, the work of a master hand", ) and the verse following states, "Your belly is a heap of wheat." Thus, the description of the navel is placed textually in between the description of the curves of a woman through thigh and the stomach or midriff. "Belly" also suggests the womb, and the combination of the imagery of the womb with that of wheat suggests the link between eroticism and fertility through the imagery of the