Chorionic GonadotropinFollicle Stimulating Hormone, beta SubunitLuteinizing Hormone, beta SubunitGonadotropinsGlycoprotein Hormones, alpha SubunitChorionic Gonadotropin, beta Subunit, HumanGonadotropin-Releasing HormonePituitary GlandLuteinizing HormoneFollicle Stimulating HormoneGonadotrophsReceptors, LHRHReceptors, LHGonadotropins, EquineReceptors, GonadotropinChoriocarcinomaGonadotropins, PituitaryRNA, MessengerGene Expression RegulationPregnancyOvulationOvaryProgesteroneLeydig CellsTrophoblastic NeoplasmsTestosteronePregnancy TestsOvarian FollicleCorpus LuteumGranulosa CellsHydatidiform MoleEstradiolPregnancy-Associated Plasma Protein-APregnancy Trimester, FirstTestisOvulation InductionPregnancy, EctopicReceptors, FSHUterine NeoplasmsReproductive Control AgentsEstriolMolecular Sequence DataHormones, EctopicPlacentaalpha-FetoproteinsGestational Trophoblastic DiseaseSuperovulationTrophoblastsAmino Acid SequenceHypogonadismPlacental LactogenFertility Agents, FemaleHorsesMacromolecular SubstancesMenotropinsInhibinsInsemination, ArtificialLuteinizationNuchal Translucency MeasurementEstrusTesticular NeoplasmsDown SyndromeProtein SubunitsRadioimmunoassaySexual MaturationTheca CellsFertilization in VitroPregnancy Tests, ImmunologicPeptide FragmentsLeydig Cell TumorBase SequenceSteroidsFluoroimmunoassayProlactinOocytesHypophysectomyAbortifacient Agents, NonsteroidalCattleImmunoassayCyclic AMPKineticsPrenatal DiagnosisPerissodactylaPregnancy Trimester, SecondCells, CulturedLeuprolideSwineNeoplasms, Germ Cell and EmbryonalLuteal CellsPituitary Hormone-Releasing Hormones8-Bromo Cyclic Adenosine MonophosphateEmbryo ImplantationFollicular Phase3-Hydroxysteroid DehydrogenasesAndrostenedioneGerminomaImmunoradiometric AssayHormone AntagonistsCell LinePregnancy Rate