I had an encounter last night and am very worried after what I did. I met a women who definitely has multiple sex partners. We kissed a lot and I also had oral sex with her. I did cunninglus on her (unprotected) and also fingered her. She performed fellatio on me (covered). Later we had sex, but situation is peculiar. I had a cover on but used a strap on to penetrate her and did not penetrate her with my penis. My penis was in my underwear, with a condom on, all the the time.
I know I am probably not at any risk from the sex as there was no penetration. But I am very worried by the unprotected cunninglus and fingering I performed on her. What are my risks of getting HIV or other STD's from this encounter. I have a partner and not sure if I should have sex with her before this is sorted. Do I need testing?