“I'm questioning being transgender since i was 14, I am currently an adult, I don't feel guy enough to be called a guy, I don't believe I am non-binary and I don't hate being a woman but it fills me with dread when i think of continuing life as a woman and even though i want kids, getting pregnant and living my life like my mother is something that deeply scares me. What do you think?”
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Someone answered with kindness...
I'd say these things are mostly orthogonal. You can adopt kids instead of having them yourself without betting your life on passing as a guy.