This is an interdisciplinary question and has been discussed here to widen the scope of discussion. The guidelines are that once a lady with prolactinoma on Bromocriptine conceives, all drug treatment should be stopped to reduce possibility of any teratogenic effect on fetus. Monitor her Prolactin levels and only if headache and visual symptoms develop that bromocriptine can be re-staed. Harrison snap shot is attached for reference. Mechanical contraception should be used through three regular menstrual cycles to allow for conception timing. When pregnancy is confirmed, bromocriptine should be discontinued and PRL levels followed serially, especially if headaches or visual symptoms occur. For women harboring macrodenomas, regular visual field testing is recommended, and the drug should be reinstituted if tumor growth is apparent. Although pituitary MRI may be safe during .