Embryo Culture TechniquesChick EmbryoBlastocystEmbryonic DevelopmentEmbryo, MammalianFertilization in VitroCulture TechniquesEctogenesisEmbryo TransferPregnancyCulture MediaIncubatorsTeratogensEmbryo, NonmammalianOocytesEmbryonic and Fetal DevelopmentCattleEmbryo ImplantationOrgan Culture TechniquesCell Culture TechniquesAbnormalities, Drug-InducedZygoteBacteriological TechniquesCleavage Stage, OvumNeurulationGene Expression Regulation, DevelopmentalFetal ViabilityCryopreservationSingle Embryo TransferSperm Injections, IntracytoplasmicPregnancy RateYolk SacTime FactorsTissue Culture TechniquesCells, CulturedReproductive Techniques, AssistedLive BirthEmbryo LossErgotamineCyproheptadine