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Fold change expression of placental hormones and NCOA4 (ddCT) in placental tissue obtained from neonates born to women carrying multiples or adolescents carrying singletons. Data presented as geometric mean [95% CI]. EPO, erythropoietin; ERFE, erythroferrone; NCOA4, nuclear receptor coactivator 4; NS, not significantly different (P > 0.05).
