You should absolutely be consulting with your Dr. on both withdrawing and the potential affects on any unborn child. In addition, I have found pharmascists to be a wonderful source of information on any drug and again how it can impact both fertility and pregnancy. I don't think you should try to withdraw on your own, I am sure your Dr. can make it both safer and more comfortable for you. Good luck!!
I think that they have other meds to treat this that are safer, I would just ask your fertility Dr. best of luck to you!