FEMINIST NOVELS? GEORGE ELIOT

According to Jenny Uglow, author, there is still a question of if it was George Eliot's intent to write "feminist" novels.  She personally associated with some feminist of her day, Victorian feminists. In her writing, she portrayed oppressed women, submissive women, and she personally was supposed to be uninterested in marriage as a young woman, rejecting a marriage that might be arranged - or at least suggested.

I personally had some unanswered questions reading this book. I have wondered if perhaps George Eliot's relationship with G.H. Lewes was chaste.  If not, what did she do to prevent becoming a mother?  Is it possible that George and G.H. Lewes were not heterosexual?