Hello again, Just wanted to clarify!! When I posted the message about ABM and breastmilk, and the possibility of a negating effect, I wasn't endorsing the statement. I still, and always will believe that breastmilk is best, but in some circumstances, you all know what they are, a combination of ABM and breastmilk is the choice. I will never tell a mother to stop nursing when she returns to work because the ABM she is giving is negating the effects of her breast milk (nor for nursing adopted babies, etc.). I would like the information because I did hear the statement "ABM negates the protective properties of breastmilk" at a conference, but I have misplaced my notes. A reputable person said this, and gave references to research to back it up. (I don't even remember who the person was). I am a "need to know" person. I need the facts. If someone has the references to this research, I would love to read it for myself to judge its credibility and the feasibility of its findings. If you know, please fill me in. Incidentally, I do know that Lactoferrin in baby's digestive system is altered by ABM. Sincerely, Sharon A. Rapoza, RN, BSN, IBCLC [log in to unmask]