OxytocinOxytocicsVasotocinVasopressinsMilk EjectionSupraoptic NucleusNeurophysinsPituitary Gland, PosteriorUterine ContractionMyometriumDinoprostLabor, ObstetricOrnipressinPregnancyUterusParaventricular Hypothalamic NucleusProgesteroneLactationLabor, InducedEstrusHypothalamusCorpus LuteumLuteolysisMaternal BehaviorSocial BehaviorPregnancy, AnimalSheepPair BondHormone AntagonistsTocolytic AgentsEndometriumLypressinPostpartum HemorrhageProstaglandins FLabor Stage, ThirdUterine InertiaArvicolinae