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Maternal noncardiovascular mortality by number of births, overall (A) and stratified by the mother’s education in years (B). Norwegian-born women, first birth after 1966 and before 1991. Adjusted for the mothers’ birth year. HR, hazard ratio; CI, confidence interval; ref, reference.
Norwegian born women. 1st birth >1966 and <1991. Adjusted mothers’ birth year.
