It's not slut shaming to be honest about how you lose attraction to a woman upon knowing she's had a lot of sexual partners.
I mean, are you averse to people with sexual history? Do you admire virginity?
Virgin women are the ones you should get with. They've proven that they respect themselves.
Just because women had several sexual partners in the past doesn't make them sluts. How would you feel if women said you were a man whore for having slept with more than one woman in the past?