I don't believe in gender. Gender is a social construct that was originally invented to create stereotypes for people who had one genital organ or the other, in order for the patriarchy to press its fist against women. Right now it solely acts as a vessel for those who wish to break the stereotype to find someone they can associate with. To acknowledge gender would be to acknowledge that these stereotypes are a thing, instead of living and letting be sans labels. I am biologically a women, I use female pronouns, but I'm not agender. Gender simply doesn't exist in my mind. I will use your pronouns (he/she/they/it, none of the weird ones though), and let you live how you want to live, but I do not regard gender as something that exists or should exist, as it implies that we should stereotype people and have everyone conform to a stereotype instead of letting them just be who they want to be sans labels.
If you're talking about my biological sex (different than gender), then yes. Aside from the whole "I bleed from my vagina once every month" bullshit, then yes, I'm content with being a woman. I want to break gender stereotypes and I want to be part of the 10% of mathematicians who are female. There needs to be more women in the STEM fields, as the "gender" dichotomy as it's called is extremely patriarchal.
That and having boobs is fun.