r/ScienceBasedParenting • u/anotherchattymind • 2d ago

Question - Research required Evidence behind allergens not being offered every week causing allergies

So I knew I was supposed to offer the allergen to my baby at least once a week once introduced but I didn't know not offering the food once a week once an allergen is already introduced could CAUSE an allergy. I have definitely forgotten some weeks to offer her certain allergens. Does this really put baby at risk say for instance if she has fish only every two weeks and not every week?

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u/VAmom2323 2d ago

This Canadian statement and discussion is what I found when I tried to look this up. All I see is a discussion of how continuous exposure is important to establish tolerance, and one mention of how for cows’ milk, introduction without continuous exposure may increase risk of allergy. What allergens are you worried about and where are you reading what you’re worried about?

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u/anotherchattymind 2d ago

https://foodallergycanada.ca/wp-content/uploads/EarlyIntro_Web.pdf
Under the 1st guidance it says "It’s very important to keep feeding the food regularly (i.e., 2-3 times/week) after it has been introduced, as not doing so may lead to the development of food allergy"

I guess i'm worried about all top 9 allergens

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u/Mother_Goat1541 2d ago

This article suggests that weekly or monthly ingestion should be adequate

https://aacijournal.biomedcentral.com/articles/10.1186/s13223-024-00924-5

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u/anotherchattymind 2d ago

Thanks, I don't have time to read the whole paper right now but I'm curious what they deem as "occasional/intermittent" exposure. Because apparently not introducing something at all/delayed exposure is better than introducing something once or only occasionally. It does say that the food has to be eaten multiple times per month. So i'm guessing at least twice a month?