Pelvic effusion depth of 2.0cm, physiological possibility, no treatment, if pathological, drip generally need a week to get well, the specific healing time with the type of disease, severity and personal constitution has a relationship. 1. Physiological pelvic effusion: after ovulation, women often cause a small amount of follicular fluid or local tissue leakage to the pelvic cavity to form an effusion, this situation will generally be automatically absorbed, about 3 to 5 days can be recovered on their own, do not need special treatment. 2. Pathological pelvic effusion: this condition is usually induced by inflammatory infections such as pelvic inflammatory disease, adnexitis, ovarian abscess, etc., and needs to receive fluids, which is usually treated with intravenous levofloxacin or ornidazole, and can be restored to normal after a week or so. In addition, pathologic pelvic effusion may also be caused by other reasons, and it is recommended that patients need to be treated under the guidance of a doctor.