Does anyone know of any studies  that may have been done regarding dairy 
consumption during pregnancy and it's  effect on later breastfeeding?   
I had just done some searching on  this very question for a client. This is 
what I found in Lars A Hanson's book, "Immunobiology  of Human Milk: How 
Breastfeeding Protects Babies," Pharmasoft Publishing, 2004  p.155.
 
In atopic families, mothers have  tried to adhere to a strict diet that 
avoids common food allergens during later  pregnancy. 217 A 5 year follow up did 
not show any effect.  The same diet applied during the first 3 months of 
lactation did diminish the  appearance of atopic dermatitis in the babies. 218 This  
effect remained at the age of 4 years. 219 Another similar  large prophylaxis 
study using a diet during the third trimester of pregnancy and  through 
lactation gave a significant reduction of atopic dermatitis, urticaria,  and /or 
gastrointestinal disease during the first year of life. 220. At 2 years of age, 
the prevalence of allergic rhinitis,  asthma, and positive skin tests  to 
inhalant allergens were unaffected. A  recent Cochrane analysis applying the rules 
of scrutiny of “evidence-based  medicine” summarized that an antigen 
avoidance diet eaten by high-risk women  during pregnancy is unlikely to protect her 
baby from atopic disease. Antigen  avoidance diets during lactation may 
decrease the risk for her baby to attract  atopic eczema but better studies are 
needed. 221 
217. Falth-Magnusson  K, Kjellman NI: Allergy prevention by maternal 
avoidance of eggs, cow's milk,  and fish during late pregnancy- a 5-year follow-up of 
a randomized study. J  Allergy Clin Immunol 89: 709-713, 1992. 
218. Hattevig, G,  Kjellman B, Sigurs N, et al: The effect of maternal 
avoidance of eggs, cow's  milk, and fish during lactation on the development of IgE, 
IgG, and IgA  antibodies in infants. J Allergy Clin Immunol 85:108-115, 1990. 
219. Sigurs N,  Hattevig G, Kjellman B: Maternal avoidance of eggs, cow's 
milk, and fish during  lactation: effect on allergic manifestations, skin-prick 
tests, and specific IgE  antibodies in children at age 4 years. Pediatrics 
89:735-739, 1992. 
220. Zeiger RS,  Heller S, Mellon MH, et al: Effect of combined maternal and 
infant food-allergen  avoidance on development of atopy in early infancy: a 
randomized study. J  Allergy Clin Immunol 84: 72-89, 1989. 
221. Kramer MS,  Kakuma R: Maternal dietary antigen avoidance during 
pregnancy and/or lactation  for preventing or treating atopic disease in the child. 
Cochrane Database Syst  Rev CD000133, 2003. 
Hope you find this  helpful! 
Kathy  P
 
Kathleen Fallon Pasakarnis,  M.Ed. IBCLC
Nurturing Family Lactation and Parenting  Services

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