EstradiolCorpus LuteumProgesterone CongenersMifepristoneProgestinsEstrusLuteinizing HormonePregnancyUterusalpha 1-AntitrypsinDinoprostOvariectomyLuteal PhasePregnancy, AnimalReceptors, EstrogenOvulationEndometriumOvaryReceptors, Adrenergic, alphaHormone AntagonistsEstrogensHypoxia-Inducible Factor 1, alpha SubunitMenstrual CycleHydroxyprogesteronesLuteal CellsChorionic GonadotropinPseudopregnancyFollicle Stimulating HormoneGranulosa CellsGonanes20-alpha-DihydroprogesteroneCattleOvarian FollicleGonadal Steroid HormonesSteroidsLuteolysisSheepOviductsNorpregnadienesEstrous CycleFollicular PhaseBreast Neoplasmsalpha7 Nicotinic Acetylcholine ReceptorProstaglandins FOxytocinCastrationMyometriumRadioimmunoassay20-Hydroxysteroid DehydrogenasesPregnenoloneAdministration, IntravaginalImmunohistochemistryProlactin3-Hydroxysteroid DehydrogenasesDose-Response Relationship, DrugIntegrin alpha3beta1Time FactorsIntegrin alpha4Base SequenceIntegrin alpha6RNA, MessengerIntegrin alpha5beta1Gene Expression RegulationPregnanoloneTestosteroneAndrostenedioneIntegrin alpha4beta15-alpha-DihydroprogesteroneMolecular Sequence DataDiestrusInterleukin-1alphaKineticsGonadotropin-Releasing HormoneCells, CulturedPregnancy MaintenanceIntegrin alpha2beta1Protein BindingReceptors, Adrenergic, alpha-1Embryo ImplantationIntegrin alpha5Progesterone-Binding GlobulinIntegrin alpha1beta1MedroxyprogesteroneEstrus SynchronizationProgesterone ReductaseSignal TransductionMedroxyprogesterone AcetateMenstruationAnestrusReceptors, Adrenergic, alpha-2EstroneIntegrin alpha6beta1ProestrusLabor, ObstetricRecombinant ProteinsPregnanedionesReverse Transcriptase Polymerase Chain ReactionGene ExpressionSwineBinding Sites