Hormone AntagonistsGonadotropin-Releasing HormoneHormones, Hormone Substitutes, and Hormone AntagonistsSermorelinLuteinizing HormoneFollicle Stimulating HormoneGrowth Hormone-Releasing HormoneOvulation InductionTestosteroneFollicular PhaseOligopeptidesHormonesReceptors, LHRHEstradiolPituitary GlandFertilization in VitroProgesteroneChorionic GonadotropinOrgan SizeGrowth HormoneThyroid HormonesTestisInjections, SubcutaneousRats, Sprague-DawleyRats, Inbred StrainsParathyroid HormoneGonadal Steroid HormonesPregnancyReceptors, Thyroid HormoneHuman Growth HormoneAdrenocorticotropic HormoneDopamine AntagonistsExcitatory Amino Acid AntagonistsNeurokinin-1 Receptor AntagonistsDose-Response Relationship, DrugNarcotic AntagonistsPituitary HormonesHistamine H2 AntagonistsInterleukin 1 Receptor Antagonist ProteinMuscarinic AntagonistsTriiodothyronineGABA AntagonistsHistamine H1 AntagonistsPiperidinesCorticotropin-Releasing HormoneJuvenile HormonesPurinergic P1 Receptor AntagonistsHistamine AntagonistsHormone Replacement TherapyNicotinic AntagonistsAdenosine A2 Receptor AntagonistsRats, WistarAdrenergic alpha-1 Receptor AntagonistsPurinergic P2 Receptor AntagonistsPeptide HormonesHypothalamic HormonesSerotonin 5-HT3 Receptor AntagonistsSerotonin 5-HT2 Receptor AntagonistsProlactinThyroxineAdenosine A1 Receptor AntagonistsRNA, MessengerCells, CulturedAngiotensin Receptor AntagonistsLeukotriene AntagonistsAnti-Mullerian HormoneTime FactorsGonadal HormonesThyroid Hormone Receptors betaThyrotropinSignal TransductionBinding, CompetitiveAdrenergic AntagonistsAdrenergic alpha-2 Receptor AntagonistsPituitary Hormones, AnteriorGastrointestinal HormonesAdrenergic alpha-AntagonistsGABA-A Receptor AntagonistsRadioligand AssayCalciumMolecular Sequence DataHistamine H3 AntagonistsEstrogensEstrogen AntagonistsReceptors, Corticotropin-Releasing HormoneCell LineReceptors, SerotoninReceptors, EndothelinGlycoprotein Hormones, alpha SubunitReceptors, SomatotropinCyclic AMPThyroid Hormone Receptors alphaPituitary Hormone-Releasing HormonesPituitary Hormones, PosteriorDrug InteractionsReceptors, N-Methyl-D-AspartateGuinea PigsAdrenergic beta-2 Receptor AntagonistsCalcium Channel BlockersHydrocortisone