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Micronutrient deficiencies are hypothesized to play a role in spontaneous preterm birth (PTB; &lt;37 weeks of gestation) and possibly the racial disparity in rates of PTB between black and white women. Yet relatively few studies have addressed the role of micronutrient deficiencies in spontaneous PTB among black and white women in the United States. The purpose of this study was to investigate whether 25-hydroxy vitamin D (25-OH-D), folate, and omega-6/omega-3 fatty acid status are associated with spontaneous PTB among black and white women in the United States.

Maternal Micronutrient Status and Preterm Versus Term Birth for Black and White US Women