Preimplantation DiagnosisBlastomeresPrenatal DiagnosisEmbryonic DevelopmentPregnancyAneuploidyFertilization in VitroGenetic Diseases, InbornBlastocystPolymerase Chain ReactionIn Situ Hybridization, FluorescenceMorulaEmbryo Culture TechniquesCleavage Stage, OvumZygoteEmbryonic and Fetal DevelopmentDelayed DiagnosisEmbryo, MammalianEmbryo ImplantationEarly DiagnosisOocytesEctogenesisSensitivity and SpecificitySex PreselectionEmbryo TransferGene Expression Regulation, DevelopmentalMolecular Sequence DataBase SequenceDiagnosisGenetic TestingBiopsyRetrospective StudiesRNA, MessengerTime FactorsDiagnostic ErrorsAmino Acid SequenceMutationMice, Inbred StrainsReproductive Techniques, AssistedSex Determination Analysis