TMI PHOTO -discharge-

The last few days I've had some yellowish discharge mixed with white/clear discharge. Today I peed and it had a pretty strong odor. But it only happened twice... I'm on the pill and always skip every other period, so I go two months without a period usually. The last period I got was in february or march, I can't remember, but the last period I logged in Glow was in February. Since my last period I've had two separate days of brown spotting. The discharge I've had lately is what's pictured. I'm supposed to start my period Wednesday. Could I have an infection or do think my symptoms are just because I haven't gotten my period in awhile? I don't drink enough water, should I get a uti test? I haven't had any uti symptoms other than the urine with odor, but that only happened twice in a day, like I said. I don't believe I have an STI. Any advice is appreciated