Mild Free Fluid Seen At Cul-de-sac. ...it Is My Scanning

Mild free fluid seen at cul-de-sac. ...it is my scanning report. ...In such case is it difficult to get pregnant. ..?now I have back pain. ...leg pain. ...abdominal pain.
..frequent urination. ...and I have pain on upper part of stomach. ...Please give me the explanation. ....I'm too tired. ....Thank you