BlastocystMorulaEmbryonic DevelopmentEmbryonic and Fetal DevelopmentEmbryo, MammalianFertilization in VitroPregnancyBlastocyst Inner Cell MassEmbryo TransferMass SpectrometryTrophoblastsInsulin-Secreting CellsBody Mass IndexEmbryo Culture TechniquesPotassium RadioisotopesBlastomeresOctamer Transcription Factor-3EndodermSpectrometry, Mass, Electrospray IonizationTandem Mass SpectrometryEctodermGerm LayersBody CompositionEmbryonic Stem CellsGene Expression Regulation, DevelopmentalSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationChimeraEmbryo ImplantationErythrocyte VolumeIslets of LangerhansPluripotent Stem CellsCleavage Stage, OvumElectric ImpedanceCell CountCell DifferentiationGATA6 Transcription FactorCell LineageBody WaterCulture MediaEctogenesis