TFRC and type 1 diabetes mellitus: Cord plasma biomarkers of high iron status were non-significantly associated with higher risk of type 1 diabetes (ferritin OR = 1.05 [95%CI: 0.99–1.13] per 50 mg/L increase; soluble transferrin receptor: OR = 0.91 [95%CI: 0.81–1.01] per 0.5 mg/L increase).