Pelvic fluid accumulation of 13mm is usually not important and there is no need to worry too much.
The pelvis is located in the lowest part of the human body, the abdominal organs are in constant peristalsis, and in the process of peristalsis need to have a liquid to lubricate, there is a need for pelvic fluid to play a lubricating role. Therefore, a small amount of pelvic fluid of 13mm is a normal physiological phenomenon, no need to be nervous, continue to observe.
If the pelvic fluid exceeds 30mm and is accompanied by uncomfortable symptoms such as lower back pain and abdominal cramping pain, then it should be considered as a pathological fluid accumulation caused by diseases. Factors such as pelvic inflammatory disease, endometriosis, luteal rupture, pelvic abscess, etc. may produce pelvic fluid.
To summarize, most of the 13mm pelvic fluid is physiological fluid and does not matter. If the fluid is pathologic, it is recommended to consult a doctor in time, and can be treated under the doctor’s guidance for the cause of the disease to eliminate the fluid.