Fig. 1From: The impact of recommending iron supplements to women with depleted iron stores in early pregnancy on use of supplements, and factors associated with changes in iron status from early pregnancy to postpartum in a multi-ethnic population-based cohortChange in serum ferritin concentration from enrolment in early pregnancy to postpartum in participants with different value at enrolment 1. 1 Data from the STORK-G multi-ethnic pregnancy cohort from Oslo, Norway, 2008-2010. The group with SF < 20 μg/L (depleted iron stores) at enrolment, were recommended supplementation. Enrolment mean gestational week 15.1 ± standard deviation 3.4. Postpartum visit mean postpartum week 13.9 ± 2.4. SF, serum ferritinBack to article page