ProgesteroneAdministration, IntravaginalEstradiolPregnancyVaginaVaginal Creams, Foams, and JelliesVaginal DouchingEstrus SynchronizationEstrusAdministration, OralContraceptive Devices, FemaleProgesterone CongenersCorpus LuteumVaginal DiseasesInsemination, ArtificialSpermatocidal AgentsLuteinizing HormoneOvulationProgestinsFlurogestone AcetateMifepristoneOvariectomyLuteal PhaseDinoprostUterusOvaryAnestrusMucous MembraneVaginitisTime FactorsEndometriumCattleSheepOvarian FollicleDrug ImplantsPregnancy, AnimalFollicle Stimulating HormonePessariesCandidiasis, VulvovaginalHormone AntagonistsVaginosis, BacterialLuteolysisReceptors, EstrogenOviductsGenitalia, FemaleFertilityDose-Response Relationship, DrugCervix MucusGonadotropins, EquineGonadotropin-Releasing HormoneEstrogensHerpes GenitalisDelayed-Action PreparationsChorionic GonadotropinMenstrual CycleHerpesvirus 2, HumanGelsPostpartum PeriodNonoxynolHydroxyprogesteronesPremature EjaculationAdministration, IntranasalPseudopregnancyMedroxyprogesterone AcetateMacaca mulattaMisoprostolLuteal CellsDrug Administration ScheduleRats, Sprague-DawleyIntrauterine Devices, MedicatedAbortifacient AgentsGonanesGranulosa CellsReproductive Tract InfectionsInjections, IntramuscularPregnancy RateContraceptive Agents, FemaleDisease Models, Animal20-alpha-DihydroprogesteroneGonadal Steroid HormonesCervix UteriHygieneInjections, IntravenousMelengestrol AcetateChlamydia muridarumCastrationSteroidsOvulation InductionAnti-Infective Agents, LocalMacaca nemestrinaRandom AllocationNorpregnadienesFollicular CystPregnenedionesUnited States Food and Drug AdministrationFollicular PhaseOrganophosphonatesEstrous CycleProlactinSuperovulation