PlacentaGonadotropinsChorionic GonadotropinChorionic Gonadotropin, beta Subunit, HumanReceptors, GonadotropinGonadotropins, PituitaryGonadotropins, EquineLuteinizing HormonePregnancyFollicle Stimulating HormonePlacenta DiseasesPlacenta PreviaPlacenta AccretaPlacenta, RetainedGonadotropin-Releasing HormoneReceptors, LHTrophoblastsGlycoprotein Hormones, alpha SubunitOvaryOvulationChoriocarcinomaProgesteronePituitary GlandFollicle Stimulating Hormone, beta SubunitTestosteroneOvarian FollicleEstradiolLuteinizing Hormone, beta SubunitChorionic VilliReceptors, FSHMaternal-Fetal ExchangeGranulosa CellsPregnancy ProteinsHypogonadismPituitary Hormone-Releasing HormonesTestisOvulation InductionLeydig CellsPlacentationReceptors, LHRHPregnancy Trimester, FirstCorpus LuteumSexual MaturationInhibinsGonadotrophsFetusPlacental LactogenPituitary Gland, AnteriorSuperovulationEstrusTrophoblastic NeoplasmsMenotropinsGestational AgeHydatidiform MolePregnancy, AnimalFertility Agents, FemaleProlactinProestrusPre-EclampsiaUterusLeuprolideFollicular PhasePregnancy Trimester, ThirdRadioimmunoassayFertilization in VitroHorsesOvariectomySheepCastrationExtraembryonic MembranesUterine NeoplasmsChorionSteroidsTheca CellsMolecular Sequence DataPregnancy TestsCattleDeciduaPregnancy Trimester, SecondKisspeptinsImmunohistochemistryHypothalamusAromataseOocytesPuberty, PrecociousAndrostenedione3-Hydroxysteroid Dehydrogenases20-alpha-DihydroprogesteroneReproductionSwinePregnancy-Associated Plasma Protein-APlacental CirculationEstrous CycleInsemination, ArtificialCells, CulturedOrgan SizeHormone AntagonistsRNA, MessengerBase SequenceHormones