Key references: Prolactinomas and hyperprolactinaemia
Christin-Maitre S, Delemer B, Touraine P, Young J. Prolactinoma and estrogens: pregnancy, contraception and hormonal replacement therapy. Ann Endocrinol (Paris) 2007;68(2-3):106–12. https://www.ncbi.nlm.nih.gov/pubmed/17540335