I remembered Pam Wiggins' article in the Journal of Human Lactation (http://jhl.sagepub.com/search/results?fulltext=Wiggins&submit=yes&journal_set=spjhl&src=selected&andorexactfulltext=and&x=0&y=0), but would recommend contacting those from the closest Human Milk Bank - in our case, it would be Pauline Sakamoto: [log in to unmask] . If there are any studies on the topic, I'm sure they have the best information...
Jeanette Panchula, BSW, RN, PHN, IBCLC
Vacaville, CA
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