After abortion, is pelvic effusion 16mm normal?

After abortion pelvic effusion 16mm is normal, general female pelvic effusion less than 20mm is normal. This is a physiological phenomenon. If women accompanied by increased leucorrhea, lower abdominal pain, waist soreness, waist swelling and other abnormal symptoms, women suffering from gynecological diseases, such as pelvic inflammatory disease is relatively high. After abortion women once unwell, need to seek medical treatment in time.