Thanks for writing in.
Free fluid in pelvis can mean many things.
1. Little amount of fluid can be normal in females.
2. Fluid can result from any infection in the bowel.
3. Fluid in abdomen can also be due to serious conditions.
4. Trauma to abdomen can lead to fluid.
5. In diseases of liver
and heart fluid accumulates in abdomen.
Please get yourself examined properly by internal medicine specialist.