What Causes Brown And Watery Vaginal Discharge With Fishy Smell?

Hello. I am a 24 year old female. I have never been pregnant and the only other health concern I have is asthma. I had been taknking loestrin 24 for aboout 2 years and stopped 3 months ago. I have always had irregular periods ranging from 2 to 6 months appart. I have been having randon brown spotted discharge and a fishy odor after washing up. I have been teted for gon chlamydia herpes and hiv. All neg. I had an abnormal pap with lgsil as the results. I also tested pos ffor high risk hpv that can lead to cerv cancer. Do you have an idea of what may be causing the intermediate dbrown, watery discharge with a fisshy smell after washing with soap