Infertility is the inability of a person, animal or plant to reproduce by natural means. It is usually ... Some early studies concluded that infertile women did not report any significant differences in symptoms of anxiety and depression than fertile ...InfertilityFromWikipedia,thefreeencyclopediaJumptonavigationJumptosearchThisarticleisaboutthemedicalcondition.Forthesoil,seeSoilfertility.InfertilitySpecialtyUrology,gynecologyFrequency113million(2015)[1]Infertilityistheinabilityofaperson,animalorplanttoreproducebynaturalmeans.Itisusuallynotthenaturalstateofahealthyadult,exceptnotablyamongcertaineusocialspecies(mostlyhaplodiploidinsects).Inhumans,infertilityistheinabilitytobecomepregnantafteroneyearofintercoursewithoutcontraceptioninvolvingamaleandfemalepartner.[2]Therearemanycausesofinfertility,includingsomethatmedicalinterventioncantreat.[3]Estimatesfrom1997suggestthatworldwideaboutfivepercentofallheterosexualcoupleshaveanunresolvedproblemwithinfertility.Manymorecouples,however,experienceinvoluntarychildlessnessforatleastoneyear:estimatesrangefrom12%to28%.[4]Maleinfertilityisresponsiblefor20–30%ofinfertilitycases,while20–35%areduetofemaleinfertility,and25–40%areduetocombinedproblemsinbothparts.[2][5]In10–20%ofcases,nocauseisfound.[5]Themostcommoncauseoffemaleinfertilityisovulatoryproblems,whichgenerallymanifestthemselvesbysparseorabsentmenstrualperiods.[6]Themostfrequentcauseofinfertilitytodayinoccidentalpopulationisthedelayofmaternity,becausethequalityofoocytesdecreasesdramaticallywithage,especiallyafter35years.Maleinfertilityismostcommonlyduetodeficienciesinthesemen,andsemenqualityisusedasasurrogatemeasureofmalefecundity.[7]Womenwhoarefertileexperienceanaturalperiodoffertilitybeforeandduringovulation,andtheyarenaturallyinfertilefortherestofthemenstrualcycle.Fertilityawarenessmethodsareusedtodiscernwhenthesechangesoccurbytrackingchangesincervicalmucusorbasalbodytemperature.Contents1Definition1.1WorldHealthOrganization1.2UnitedStates1.3UnitedKingdom1.4Otherdefiniti