It might be, it might be a sign of ectopic pregnancy. Have you seen a doctor about this or can you just tell that this is what is going on because it could be any number of serious health problems.
Most often fluid behind the uterus, or in the pelvic area, is caused by ovarian cysts. Many ovarian cysts are common, but some may be more serious or cancerous.
Fluid behind your uterus could be a result of many things, including but not limited to an infection in your tubes, ovarian cyst and or colon problems. You should consult with your doctor.
