It has been shown that infants are more likely to develop allergies if there is a sibling or parent with eczema, asthma, hay fever or a diagnosed food allergy.3 It is also known that cows' milk protein allergy predominantly affects infants in the first 6 months of life – many within the first month.6
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A recent review of the literature concluded that there is limited evidence in terms of the effect of maternal diet in pregnancy and lactation on allergic disease outcomes in offspring.7