No difference between groups for “any asthma,” IgE-associated asthma, “any eczema,” “any rhino-conjunctivitis,” IgE-associated rhino-conjunctivitisSignificant association between higher proportions of Ω-3 PUFAs in maternal and infant phospholipids and lower frequency and less severity of allergic diseases. This evidence concerns the gene IGHE and Eczematoid dermatitis.