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Prospective Study of Peripregnancy Consumption of Peanuts or Tree Nuts by Mothers and the Risk of Peanut or Tree Nut Allergy in Their Offspring

“…A questionnaire-based UK study by Fox et al 6 showed no association between maternal peanut consumption during pregnancy or lactation and the development of peanut allergy in the offspring. A 2010 meta-analysis 5 of 6 human studies 10,15,18,[32][33][34] found no evidence that mothers' avoidance or exposure to peanut during the antenatal or perinatal period had an impact on sensitization or allergy to peanut in their offspring.…”

“…6 Because of frequent overlap between peanut allergy and tree nut allergy and their similar natural history, with 80% to 90% persistence of the food allergy into adulthood, 7 these 2 allergies are often considered together as peanut or tree nut (P/TN) allergy. For many years, pediatric guidelines have recommended the avoidance of P/TN for at least the first 3 years of life, with some experts also recommending that P/TN be avoided during pregnancy.…”