1. Nutrition. 1.1. Maternal nutrition during pregnancy and lactation.

Level of recommendation	Statement
A	Statement: During pregnancy and lactation, a balanced, diverse diet covering all nutritional requirements is recommended. This also includes the consumption of vegetables, milk (products) (including fermented milk products such as yogurt), fruits, nuts, eggs, and fish.
	Recommendation: Dietary restrictions (avoidance of potent food allergens) during pregnancy or lactation should not be made for the purpose of allergy prevention (A).
Level of evidence	Studies on the general statement: Celik 2019 (2–); Moonesinghe 2016 (2+); Ogawa 2018 (2+); Oien 2019 (2++); Stratakis 2017 (1++); Rucci 2016 (2++); Leermakers 2013 (2+); Miyake 2013 (2+); Pele 2013 (2+): Gardner 2020 (2+); Miyake 2014 (2+); Chisaguano 2014 (2+); Bunyavanich 2014 (2+), Bedard 2020 (2+), Rosa 2020 (2+)
	Recent studies on the recommendation to avoid dietary restriction are lacking; recommendation is based on previous recommendations and, with regard to food allergy, on the EAACI guideline
Level of consensus	Strong consensus