<<Disclaimer: Verify this information before applying it to your situation.>> Hi Listmates, I have received a lot of inqueries as to what serum prolactin is. These websites explain it all. http://www.nlm.nih.gov/medlineplus/ency/article/003718.htm http://arbl.cvmbs.colostate.edu/hbooks/pathphys/endocrine/hypopit/prolactin.ht ml Rosalie (NJ) *Support summarization of posts, reply to the SENDER not the Celiac List *