What to do?

Hello everyone i am embarrassed by this topic but i don't know what to do so I haven't been to an obygn after i gave birth to my son back in 2018 i just gave up on myself but I'm progressing slowly and you know I've been active for a while now and after the last person i had intercourse with it stricked my ph badly so i suffer with it because i dont know what to do so my pee color looks like this and i honestly don't know what to do