Might help also to describe what you think feminism is, since it’s one of those terms that is overloaded.
I once had a physical therapist tell me she wasn’t a feminist because she thought women couldn’t be as physically capable as men when serving as soldiers, and seemed to believe feminism requires treating women exactly like men.
I told her I was a feminist because I believe in equal rights for men and women, an idea she did not seem so opposed to.
My definition of feminism is roughly: People of all genders share equal legal rights and social respect. This doesn’t mean biological differences aren’t real or shouldn’t be considered.
So yes, I consider myself a feminist as I have defined above. I do support biological segregation of things like athletics. I say biological since there are obvious outliers when it comes to hormones, muscle mass, and reaction time differences between the biological sexes.