Search strategy
We retrieved appropriate articles published by PubMed, Web of Science and Cochrane library before December 31, 2019 through entering the following terms:
Atopic dermatitis:
#1: (maternal) or (pregnancy) or (pregnant women)
#2: (diabetes) or (diabetes Mellitus) or (endocrine) or (blood glucose)
#3: (hypersensitivity) or (allergy) or (allergy and immunology) or (allergic disease) or (eczema) or (atopic dermatitis)
#4: #1 AND #2 AND #3
Food allergy:
#1: (maternal) or (pregnancy) or (pregnant women)
#2: (diabetes) or (diabetes Mellitus) or (endocrine) or (blood glucose)
#3: (hypersensitivity) or (allergy) or (allergy and immunology) or (allergic disease) or (food hypersensitivity) or (food allergy) or (food allergen sensitization)
#4: #1 AND #2 AND #3
Asthma:
#1: (maternal) or (pregnancy) or (pregnant women)
#2: (diabetes) or (diabetes Mellitus) or (endocrine) or (blood glucose)
#3: (hypersensitivity) or (allergy) or (allergy and immunology) or (allergic disease) or (asthma) or (respiratory allergy)
#4: #1 AND #2 AND #3
All retrieved articles were imported to Endnote version X9 for screening, deduplication, and overall management of the retrieved records.