In Vitro Oocyte Maturation TechniquesOocytesCumulus CellsOvarian FollicleOogenesisEmbryo Culture TechniquesGranulosa CellsFollicle Stimulating HormoneOvaryMeiosisOvulationFollicular FluidFertilization in VitroProgesteroneHair FollicleChorionic GonadotropinTheca CellsGrowth Differentiation Factor 9Bone Morphogenetic Protein 15Luteinizing HormoneEstradiolEmbryonic DevelopmentFertilizationGonadotropins, EquineCattleGonadotropinsFollicular AtresiaBlastocystOocyte RetrievalOvumSperm-Ovum InteractionsCells, CulturedMaturation-Promoting Factor