M.B.
M.,
One step you will likely go through is the HSG or Hysterosalpingogram. (I think I got the spelling). May or may not be painful, results vary according to the woman.
IVI, IVF, those are some other steps you might go through also, depending on what is going on. If you are not ovulating, you might go through ovum donation process too.
All things to lookup. I don't know if there is any process to clear scar tissue from your fallopian tubes. It might just produce more (I would think).
Good luck, hope I gave you something useful,
M.