Uterine atony is the failure of the uterus to contract adequately following delivery. Contraction of the uterine muscles during labor compresses the blood vessels and slows flow, which helps prevent hemorrhage and facilitates coagulation.UterineatonyFromWikipedia,thefreeencyclopediaJumptonavigationJumptosearchLossoftoneintheuterinemusculatureUterineatonySpecialtyObstetricsSymptomsUncontrolledpostpartumbleeding,decreasedheartrate,pain,softnon-contracteduterusComplicationspostpartumhemorrhage,DIC,hypovolemicshock,renalfailure,hepaticfailure,anddeathUsualonsetthirdstageoflaborCausestrauma,complicatedlabor,medications,uterinedistention,caesareansectionRiskfactorsObesity,uterinedistention,placentaldisorders,multiplegestation,priorPPH,coagulopathiesDiagnosticmethodPhysicalexamandobservedbloodlossDifferentialdiagnosisuterineeversion,obstetriclacerationPreventionRiskstratificationandidentification,activemanagementofthirdstageoflaborTreatmentUterinemassage,Oxytocin,uterotonics,tamponadeorpacking,surgicalinterventionMedicationOxytocin(Pitocin),Carbetocin,Methergine,HemabateorCarboprost,Misoprostol,DinoprostonePrognosis2-3timesriskofrecurrenceFrequency80%ofpostpartumbleedingUterineatonyisthefailureoftheuterustocontractadequatelyfollowingdelivery.Contractionoftheuterinemusclesduringlaborcompressesthebloodvesselsandslowsflow,whichhelpspreventhemorrhageandfacilitatescoagulation.Therefore,alackofuterinemusclecontractioncanleadtoanacutehemorrhage,asthevasculatureisnotbeingsufficientlycompressed.[1]Uterineatonyisthemostcommoncauseofpostpartumhemorrhage,whichisanemergencyandpotentialcauseoffatality.Acrosstheglobe,postpartumhemorrhageisatop5causesofmaternaldeath.[2]Recognitionofthewarningsignsofuterineatonyinthesettingofextensivepostpartumbleedingshouldinitiateinterventionsaimedatregainingstableuterinecontraction.Contents1Riskfactors2Epidemiology3Pathophysiology4Evaluationanddiagnosis5Treatmentandmanagement5.1Prevention5.2Treatment6Complications7Prognosis8References9ExternallinksRiskf