D.H.
I think it's wonderful that you would even try to breastfeed your baby, I am so impressed with your resolve and your care of your infant! That being said, it will probably be challenging to start up again, though as I understand it, it is possible.
I would highly recommend that you get in touch with the wonderful folks at La Leche. I found them to be incredibly helpful and supportive when I faced difficulties breastfeeding; they really helped make it possible for me to continue. Also there are some really good books out there on breastfeeding that address some of these kinds of issues, especially the one by Dr. Sears. I've never heard that it is dangerous to breastfeed while on birth control, but if you are concerned I would ask the folks at La Leche; that's exactly the kind of thing that they would know.
Good luck!!