U-Amniocentesis unomngcipheko omncinci wokukhulelwa kwesisu
I-amniocentesis luhlobo lovavanyo lokubeleka olubandakanya ukufaka inaliti kwisisu somama ukuqokelela isampula ye-amniotic fluid kwaye emva kokuvavanya i- amniotic fluid ukuhlola i-chromosomes yabantwana. Nangona kunjalo, i-amniocentesis ingaba nembambano ngezizathu ezibini: uvavanyo luba nomngcipheko omncinci wokubangela ukuphuphuma kwesisu , kwaye iziphumo zovavanyo zingakhokelela kubantu ukuba banqume ukukhulelwa kwabo .
Ngaloo ndlela, abanye abafazi abakhulelweyo bayamoyikayo ukuvavanya kwaye abanye bayayichitha ukusebenzisa kwayo.
Oko Siyamazi Ngo-Amniocentesis
Ngenxa yokuba banomngcipheko ophezulu wokuba nomntwana onenkinga ye-chromosome, ama-moms angaphezu kwama-35 anganikwa i-amniocentesis okanye i- CVS njengolu vavanyo oluqhelekileyo. Kodwa ezinye iimama azizenzeki ngokuzenzekelayo i-amniocentesis ngaphandle kokuba iintsana zabo zizimisele ukuba nomngcipheko omkhulu weengxaki ze-chromosome. Umzekelo uza kuba ukuba uvavanyo lwegazi lwethathu okanye i-quad ye-screen lubonisa ukunyuka okuphezulu kwimeko ethile.
Yintoni Yonke Ingxabano Ngama-Amniocentesis?
Ngoko ukuba i-amniocentesis yinto nje yokuvavanya kweengxaki ze- chromosome , kutheni abantu bexhalabele ngako, umntu unokuzibuza?
Mhlawumbi isizathu esikhulu sokuba abantu bakhathazeke nge-amniocentesis ngumngcipheko omncinci wenkcitho yokuphuphuma kwesisu - kunye nokuba inamba yamanani asetyenzisiweyo ukuqikelela le mngcipheko. Uphando oluthembekileyo lubonisa ukuba umngcipheko we-amniocentesis owenzela ukukhulelwa kwesisu ku-1 ukuya ku-400 usebenzisa iindlela zanamhlanje, kodwa ezinye iimithombo zisasebenzisa ukudala, ukulinganisela okukrakra kwe-1 kwi-200 okanye nokuba ngowama-100 kwengozi yokukhulelwa kwesisu.
Kwaye ngokwemvelo, abanye abantu banomuvo wokuthi nayiphi na ingozi eyongeziweyo - kungakhathaliseki ukuba yincinci - ingaphezulu.
Esinye isizathu sokuba abantu babe nokunyamekela i-amniocentesis kukuba abanye abazali banquma ukuphelisa ukukhulelwa kwabo xa befunda ukuba umntwana unengxaki ye-chromosome. Ingxaki eqhelekileyo abantu bacinga xa bexoxa nge-amniocentesis yi-Down syndrome, imeko ebangela ukukhubazeka okuphuhlisayo kunye nokuqonda.
Abanye abantu baziphatha ngokuchasene nokuxothwa kweintsana ezine-Down syndrome, ingakumbi kuba imeko ayiyi kubangela iingxaki zempilo ezongela ubomi, kwaye ngoko ke izigwebo zokuziphatha zabantu ziyakwandisa ukuhlolwa kwe-amniocentesis kuba uvavanyo luba luncedo kubantu sigqibo sokuphelisa ukukhulelwa kwabo.
Iinkonzo ze-Amniocentesis
Izizathu zokuba i-amniocentesis zininzi, kodwa inkulu kunokwenzeka ukuba ukuvavanya kukunika impendulo ecacileyo malunga nokuba umntwana wakho unesifo esibi kakhulu se-chromosome. Ngomlinganiselo ochanekileyo we-99.4%, iimeko eziphantsi kukuba i-amniocentesis yakho iya kukunika isiphumo esinyanisekileyo okanye esingalunganga kwisifo se-chromosome.
Kubazali abaya kukhetha ukuphelisa ukukhulelwa ngeengxaki ze-chromosome, ukuchaneka kwe-amniocentesis yinkqubo eqinile ekuncedeni ukuba novavanyo.
Ukongezelela, nangona kubambisana okuqhelekileyo kunye nokuhlolwa kwesifo se-Down syndrome, i-amniocentesis inokuqinisekisa okanye ukulawula iziphazamiso ezininzi kunye ne-Down syndrome. Kungenzeka ukuba abazali abangenakukhetha ukuphelisa umntwana kunye ne-Down syndrome baya kuqwalaselwa ukuba i-amniocentesis ibonakalise imeko ephezulu yokubangela ukufa ekusaneni kwasekuqaleni, njengo- Edwards syndrome okanye i- triploidy . Kwiimeko ezinjalo, i-amniocentesis ingaba yindlela ethembekileyo yokuchonga ukuba yintoni i-chromosome disorder umntwana enayo xa kwenzeka ukuba uvavanyo lokuhlola okanye i- ultrasound lubangele imbangela enkulu yokukhathazeka ngeengxaki ze-chromosome.
Ekugqibeleni, kungakhathaliseki ukuba iimvakalelo zabantu ekupheleni, i-amniocentesis inokunceda abazali kunye nodokotela ukuba bazilungiselele ukujongana neemfuno zomntwana ekuzalweni. Kwaba nabazali abangayi kuphelisa ukukhulelwa banokukhetha ukuba babe nolwazi olusengaphambili malunga nokuxilongwa kwengane ukuze bahlolisise imeko kwaye bazi ukuba balindele ntoni ekuzalweni.
Umntu we-Amniocentesis
Ingxabano ephambili ngokumelene ne-amniocentesis ngumngcipheko omncinci wenkcitho yokukhulelwa kwesisu. Kukho iingxelo ezininzi eziphikisanayo malunga neenombolo zangempela, kodwa kwanokuqikelelwa kwamkelwa kwe-1 ku-400 kunokusongela abanye abomama-ngakumbi abo banembali yokungabikho komzimba okanye ukungabikho komntwana.
Nangona oomama abafumana iziphumo zesikrini ezintathu kunye neetaydi ezibonisa iziphumo eziphezulu zeengxaki ze-chromosome banokukhetha ukulwa ne-amniocentesis kwesi sizathu.
Ngenxa yeenkolelo zonqulo okanye zefilosofi, abanye abanomama banokuvakalelwa kukuba abayi kucinga ukuphelisa ukukhulelwa nangayiphi na isizathu-nokuba umntwana wayenenkinga yokuzalwa yintlungu. Ngokupheliswa kokungabikho kombuzo, aba mama banokugqiba ekubeni akukho nzuzo yokuba ne-amniocentesis ekubeni iya kuthwala umngcipheko omncinci kwaye ayiyi kutshintsha isiphumo.
Apho i-Amniocentesis ibeka khona
Kungenzeka ukuba uphando olusasaza luza kwenza yonke ingxoxo malunga ne-amniocentesis engabalulekanga. Abaphengululi benza umsebenzi wokudala iimvavanyo ezincinci ezingenakunceda ukukhangela iziphazamiso ze-chromosome ekuphuhliseni iintsana, ezifana nokuzihlalutya izinto zokuzalwa zentsana kwiisampuli zegazi lomama. Ixesha liza kuxela oko kuza kule mizamo, kodwa ngoku, i-amniocentesis yinto ekhoyo.
Ukusebenzisa amanani afanelekileyo engozini yokuphulukana nokulahleka emva kwe-amniocentesis, isiphetho esingokwemvelo siya kubonakala ngathi iimama ezinomngcipheko wokuba nomntwana onenkinga ye-chromosome ingaphantsi kwe-1 ukuya ku-400 akufanele ibe ne-amniocentesis (ekubeni iingxaki zovavanyo kubangela ukuphuphuma kwesisu kuya kuba ngaphezulu).
AmaMoms anomngcipheko wokuba nomntwana onenkinga ye-chromosome iphezulu kune-1 kwi-400, nokuba kungenxa yeminyaka yobudala okanye i-triple / quad yeskrini, kufuneka abe nenketho yokuba novavanyo luyenziwe. Njengokuba kunemibuzo emininzi, umama kufuneka asebenze noogqirha bawo ukuba benze izigqibo ezifanelekileyo ngokufanelekileyo kwiingcamango zabo zefilosofi kunye neemeko zonyango.
Imithombo:
Amniocentesis. Umama waseMelika wokukhulelwa. Kufumaneka: Matshi 21, 2009. http://www.americanpregnancy.org/prenataltesting/amniocentesis.html.
Ngaba kufuneka ndibe ne-amniocentesis? CIGNA. Kufikeleleka: kuMatshi 21, 2009. http://www.cigna.com/healthinfo/aa103080.html.