Mukati
- Chii chinonzi pre-implantation diagnosis?
- Ko pre-implantation diagnostic inoshanda sei?
- Ndiani pre-implantation diagnostic inopihwa?
- PGD: zvirwere zvipi zvatiri kutsvaga?
- Ko pre-implantation diagnosis inoitwa kupi?
- Pane ongororo dzisati dzaitwa pre-implantation diagnosis?
- PGD: tinoita sei nemamwe embryo?
- Vabereki vane chokwadi chokuti vachava nomwana ane utano pashure pePGD here?
- Ndeapi mikana yekuve nepamuviri mushure mekutanga kuisirwa kuongororwa?
- Inoshandiswawo pakusarudza "mishonga vacheche"?
Chii chinonzi pre-implantation diagnosis?
Iyo DPI inopa mukana wekuti vaviri vave nazvo mwana asingazove nechirwere chemajini izvo zvinogona kupfuudzwa kwaari.
PGD inoumbwa nekuongorora maseru kubva muembryos anobva mu vitro fertilization (IVF), kureva kuti vasati vatombokura muchibereko, kuzobvisa avo vanobatwa nechirwere chemajini kana chromosomal chaiyo.
Ko pre-implantation diagnostic inoshanda sei?
Pakutanga, sekunge nekirasi yeIVF. Mukadzi anotanga nekukurudzira ovarian (nemazuva ose majekiseni ehomoni), izvo zvinoita kuti zvikwanise kuwana maoocyte akawanda. Vanobva vaboorwa vopinzwa nembeu yemurume/mukadzi mutest tube. Kwakange kusati kwapera mazuva matatu gare gare kuti pre-implantation diagnostic yakaitika. Vanodzidza nezvezvinhu zvipenyu vanotora sero rimwe chete kana maviri kubva mu "embryos" (ane masero matanhatu), mukutsvaga gene rine chekuita nechirwere chinotsvakwa. Zvadaro IVF inoenderera mberi: kana imwe kana maviri embryo asina kukuvadzwa, anotamirwa kuchibereko cheamai.
Ndiani pre-implantation diagnostic inopihwa?
Le Preimplantation genetic diagnosis (kana PGD) inzira inoita kuti zvikwanise kuona zvinogoneka - genetic kana chromosomal - muma "embryos" anonambwa mushure me in vitro fertilization (IVF). Zvinonzi vakaroorana vari panjodzi yekupfuudza chirwere chakakomba uye chisingarapike kuvana vavo. Ivo pachavo vangave vachirwara kana kungova vatakuri vane hutano, ndiko kuti, vanotakura geni rinokonzera hosha, asi vasingarware. Iri majini dzimwe nguva hariwaniki kutozosvikira pashure pokuberekwa kwomwana wokutanga anorwara.
PGD: zvirwere zvipi zvatiri kutsvaga?
Kazhinji kazhinji, idzi dzinoti cystic fibrosis, Duchenne muscular dystrophy, hemophilia, Steinert myotonic dystrophy, fragile X syndrome, Huntington's chorea, uye kusaenzana kwechromosomal kunoenderana nekufambiswa kwenzvimbo, asi hapana rondedzero yakazara. yakatsanangurwa. Mutongo unosiiwa kuvana chiremba. Pamusoro pezvo, hapasati pave nekuongorora kwekuongorora pamasero embryonic e zvirwere zvose zvemajini yakakomba uye isingarapike.
Ko pre-implantation diagnosis inoitwa kupi?
MuFrance, nhamba shoma chete yenzvimbo dzakatenderwa kupa PGD: chipatara cheAntoine Béclère, chipatara cheNecker-Enfants-Malades mudunhu reParis, uye Reproductive Biology Centers iripo muMontpellier, Strasbourg, Nantes neGrenoble.
Pane ongororo dzisati dzaitwa pre-implantation diagnosis?
Kazhinji, vaviri vacho vakatobatsirwa nekuraira kwemajini kwakavaendesa kuPGD Center. Mushure mekubvunzurudzwa kwenguva refu uye nekuongororwa kwekiriniki kwakadzama, murume nemukadzi vanofanirwa kuongororwa bhatiri refu uye rinoganhurira, rakafanana nerinofanirwa kutevera vese vanenge vachitsvaga nzira yekuzvara vachibatsirwa nemishonga, nekuti hapana PGD inogoneka pasina. in vitro fertilization.
PGD: tinoita sei nemamwe embryo?
Avo vanobatwa nehosha yacho vanoparadzwa pakarepo. Muchinoitika chisingawanzoitiki kuti mazai anopfuura maviri akanaka asina kukuvadzwa, aya asina kuisirwa (kuderedza ngozi yokuva nenhumbu dzakawanda) anogona kuomeswa nechando kana vaviri vacho vakataura kuti vanoda kuva nevana vakawanda.
Vabereki vane chokwadi chokuti vachava nomwana ane utano pashure pePGD here?
PGD inongotarisa chimwe chirwere, semuenzaniso cystic fibrosis. Chigumisiro, chinowanikwa mumaawa asingasviki makumi maviri nemana, saka chinongosimbisa chete kuti mwana wemangwana haazotamburi nechirwere ichi.
Ndeapi mikana yekuve nepamuviri mushure mekutanga kuisirwa kuongororwa?
Pakazere, ivo 22% mushure mekuputika uye 30% mushure mekutamisa embryo. Izvi zvinoreva kuti, zvakangofanana neaya emukadzi ari kungoerekana ave nepamuviri panguva yekutenderera kwechisikigo, asi mhedzisiro inosiyana zvichienderana nemhando yeoocyte uye saka zera raamai. mudzimai.
Inoshandiswawo pakusarudza "mishonga vacheche"?
MuFrance, mutemo webioethics unoibvumira chete kubva munaDecember 2006, asi chete kana mwana wekutanga ane chirwere chisingarapike chinoda mupiro wemapfupa kana pasina mupi anowirirana mumhuri yake. Vabereki vake vanogona kuzofunga, nechibvumirano cheBiomedicine Agency, kutora mukana kuPGD kusarudza embryo isina chirwere uye nekuwedzera inowirirana nemwana anorwara. Nzira yakanyatsotarisirwa.