Oligohydramnios is a condition in pregnancy characterized by a deficiency of amniotic fluid. It is the opposite of polyhydramnios.OligohydramniosFromWikipedia,thefreeencyclopediaJumptonavigationJumptosearchThisarticlemayrequirecleanuptomeetWikipedia'squalitystandards.Thespecificproblemis:problemswithcontentandreferencesPleasehelpimprovethisarticleifyoucan.(July2017)(Learnhowandwhentoremovethistemplatemessage)OligohydramniosSpecialtyObstetrics Oligohydramniosisaconditioninpregnancycharacterizedbyadeficiencyofamnioticfluid.Itistheoppositeofpolyhydramnios.Contents1Signsandsymptoms1.1Complications2Causes3Diagnosis4Treatment5Seealso6References7ExternallinksSignsandsymptoms[edit]Thecommonclinicalfeaturesaresmallersymphysio-fundalheight,fetalmalpresentation,undueprominenceoffetalpartsandreducedamountofamnioticfluid.Complications[edit]Complicationsmayincludecordcompression,musculoskeletalabnormalitiessuchasfacialdistortionandclubfoot,pulmonaryhypoplasiaandintrauterinegrowthrestriction.Amnionnodosumisfrequentlyalsopresent(nodulesonthefetalsurfaceoftheamnion).[1]Theuseofoligohydramniosasapredictorofgestationalcomplicationsiscontroversial.[2][3]Pottersyndromeisaconditioncausedbyoligohydramnios.Affectedfetusesdeveloppulmonaryhypoplasia,limbdeformities,andcharacteristicfacies.Bilateralagenesisofthefetalkidneysisthemostcommoncauseduetothelackoffetalurine.Causes[edit]Thecauseisnotknownbutisoftenassociatedwithsome:fetalchromosomalanomaliesliketriploidyintrauterineinfectionsprematureruptureofmembranedrugs;COXinhibitorslikeindomethacin,ACEinhibitorsrenalagenesisorobstructionoftheurinarytractofthefetuspreventingmicturitionsuchasposteriorurethralvalvesinmalesintrauterinegrowthrestriction(IUGR)associatedwithplacentalinsufficiencyamnionnodosum;failureofsecretionbythecellsoftheamnioncoveringtheplacentapostmaturity(dysmaturity)Diagnosis[edit]uterinesizeismuchsmallerthantheperiodofamenorrhoeafewerfetalmovements,theuterus"fulloffetus"becauseofscantyliquid,malpresentation(breech)evidencesofIU