Kathy D mentioned : Dr. Jack Newman's Scientific American article of a few years back has an excellent explanation and great graphics showing how this works. The antibodies are made in the mother's gut. This article is on my website at : http://users.erols.com/cindyrn/protect.htm Cindy ;-) Cindy Curtis,RN,IBCLC mailto:[log in to unmask] http://www.erols.com/cindyrn *********************************************** The LACTNET mailing list is powered by L-Soft's renowned LISTSERV(R) list management software together with L-Soft's LSMTP(TM) mailer for lightning fast mail delivery. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html