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
Belly chain Belly chain A belly chain or waist chain are the popular English terms for the Kamarband/Udiyanam, which is a type of body jewelry worn around the waist. Some belly chains attach to a navel piercing; these are also called "pierced belly chains". They are often made of silver or gold. Sometimes a thread is used around the waist instead of a chain. A belly chain is a common adornment for belly dancers. Use of waist chains can be traced back to 4000 years or more originating in India, as is the case with most jewelry, which are now becoming popular