HemoglobinsHemoglobinometryAnemiaHematocritAnemia, HypochromicIronPlasma VolumeFerritinsHemoglobin AIsotonic SolutionsHemoglobins, AbnormalOxygenHemoglobin, SickleErythrocyte IndicesFetal HemoglobinAnemia, Iron-DeficiencyOxyhemoglobinsErythrocyte CountHemoglobin CErythrocyte VolumeAnemia, Sickle CellErythropoietinSpectroscopy, Near-InfraredHematologic TestsPregnancy Complications, HematologicHemoglobin A, GlycosylatedErythrocytes, AbnormalErythrocytes