UterusOvaryPolycystic Ovary SyndromePregnancyPregnancy, AnimalUterine ContractionEmbryo ImplantationCricetinaeProgesteroneMyometriumEstradiolCHO CellsEndometriumCervix UteriOvarian FollicleUterine DiseasesOvariectomyUterine NeoplasmsDeciduaEstrusPseudopregnancyCricetulusEstrous CycleOvulationGenitalia, FemaleFallopian TubesRNA, MessengerHysterectomyMullerian DuctsEstrogensVaginaGranulosa CellsImmunohistochemistryOxytocinCorpus LuteumIn Situ HybridizationOvarian DiseasesPlacentaCastrationDiethylstilbestrolLabor, ObstetricInfertility, FemaleEmbryo Implantation, DelayedSheepChorionic GonadotropinMolecular Sequence DataOrgan SizeHyperandrogenismGonadotropins, EquineOocytesFollicle Stimulating HormoneOvarian NeoplasmsProstaglandins FBlastocystDinoprostOvarian CystsLuteinizing HormoneUterine RuptureFollicular AtresiaFertilityOogenesisTheca CellsSexual MaturationGene ExpressionRelaxinDiestrusProgramming LanguagesMenstrual CycleFetusMetrial GlandAmino Acid SequenceGonadotropinsReproductionReceptors, EstrogenPregnancy ProteinsEmbryo TransferReverse Transcriptase Polymerase Chain ReactionRats, Sprague-DawleySwineRats, Inbred StrainsOviductsPapaverineViviparity, NonmammalianAnovulationPostpartum PeriodEstrogen AntagonistsTime FactorsEndometriosisBlotting, NorthernGene Expression RegulationEstrogen Receptor alphaTestisCattleReceptors, OxytocinGestational AgeTrophoblastsSperm TransportNafoxidineAndrostenedioneOvum Transport