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Lowess curves of associations between total numbers of capsules consumed from week 14 to 30 of pregnancy and maternal plasma concentrations of vitamin B-12 (A), folate (B), ferritin (C), and zinc (D) at week 30 of pregnancy, by micronutrient supplementation type. Plasma concentrations of micronutrients are presented in loge scale. Fe30F, 30 mg Fe and 400 μg folic acid; Fe60F, 60 mg Fe and 400 μg folic acid; MMN, multiple micronutrient supplement.
