Dazedandconfused27

I just want to say thank you for anyone that lends advice to me....I'm quite "stuck" and would greatly appreciate wisdom..... I have a B.A in Psychology (minor in History of Science and Medicine) from UC and a B.S in Nursing from Cal State. I currently work as an R.N. and, although it could very well be the specialty I work in, I am super dissatisfied with my career. I have ALWAYS wanted to teach and have been told I am very good at it. I originally wanted to pursue an M.S.N. but the more I think about it, the more I just don't want to be in nursing (though, again, this could be because I am less than thrilled with my current specialty) I absolutely LOVE A & P and have a particular interest in Metabolic Bio. I did take science courses (A & P , Micro, Intro to O. Chem; some at UC, some at a comm. college) but I have full confidence that it likely would not stand up for competitive MA/MS Bio programs. My main interest would be teaching at a college-level. My husband and I are going to start a family, so it would be a few years before I would start my MA (if I were to get admitted) but I'm wondering what I should do 1.) to increase my chances of making it and 2.) is it even worth it? I almost wonder if I should suck it up and do the MSN and go on with life.....I just don't want to spend my life in a career I hate....... Thoughts?