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1、FERTILITYGUIDELINESADDRESSOFTEN【关键词】RemendationsNetheAmericanSocietyofClinicalOncology(ASCO)sayphysiciansshouldtalktoyoungcancerpatientsaboutthepossibilityofinfertilityearlyinthecourseofdiscussingtreatments,andbepreparedtoreferappropriatepatientstospecialistschooseamethodofpreservingtheirfertilit
2、y.TheASCORemendationsforFertilityPreservationinCancerPatientsazingcrossroadsetimetherearemorereproductiveoptionsthanthereisstheiropportunity."BeckbeganFertileHopein2001afterheroent.Thegroupprovidesinformationandfinancialassistancetoyoungpatientspatientsofthetreatmentrisksorfertilitypreservationop
3、tions."Idon'tthinkthey'remaliciouslynotdoingit,"sheemphasized."Oncologistsaren'treproductivespecialists,sothisgivestheminformationonforimprovementintheanyofthecancersent,berofcancersurvivors,andformany,issuesoffertilityarise."ThatosofCalifornia,entionthepossibilityofinfertilityaftertreatment,thed
4、iscussionosrecalled.Althoughsingle,Ramoshadalightbetakenamereallyrockedmyyfertility."osunderulationand19unfertilizedoocytesotherapy.Runoativeforoncologistsaynotknouchaboutmodernmethodsoffertilitypreservation.Basedonasystematicrevie1987to2005,itlistscancertreatmentsthatcancauseinfertilityandreviee
5、thodsoffertilitypreservationformalesandfemales.Formen,spermcryopreservationaftermasturbationisbotheffectiveandshouldbecollectedbeforecancertherapybeginsbecauseofthepotentialforevenonecourseoftreatmenttocausedamage.Successfulcollectionofspermbyothermethods,includingtesticularaspirationorextraction
6、,electroejaculationundersedation,orfrompostmasturbationurinesamples,hasbeenreportedinafeoneanalogsorantagonists,ontheotherhand,hasnotbeenshoradiationisalsopossiblebutrequiresconsiderableexpertisetobedoneproperly.Theonlyoptionsforprepubertalboys―testiculartissuecryopreservationorxenografting―haven
7、otbeentestedinhumansandareconsideredinvestigational.Foren,embryocryopreservationisthemostestablishedtechnique,butitmaynotbeanoptionifaanhasnopartnerorcannotdelaytreatmentlongenoughforoocyteharvesting.Oocytecryopreserva
