would this be an Irish twin?

Question

I have a 4 month old and am due in march 2018 would that make them Irish twins?

Answer

Irish twin (plural Irish twins) (rare, slang, offensive) Either of a pair of siblings born less than 12 months apart, especially if born within the same calendar year or school year or born one year apart.

Answer

If they are born in the same month a year apart they're Irish twins..

would this be an Irish twin?

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