Which are true regarding prenatal physiologic roles of zinc? (Select all that apply.)

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Zinc is crucial in early pregnancy during formation of fetal organs,but requirements are highest in later pregnancy for fetal growth and development.An increase in high-protein food,especially meats,improves zinc intake.Folate and iron are critical to erythropoiesis (the formation of red blood cells).Congenital rickets is associated with severe vitamin D deficiency during pregnancy and has been associated with fractures in the newborn.

Which Are True Regarding Prenatal Physiologic Roles of Zinc? (Select