Cultivation ntawm embryos yog ib txheej txheem ntawm tsom kwm fertilization ntawm ib lub qe thiab cov kev loj hlob ntawm tus embryo ntawm nws, kev qhov chaw nyob hauv kev kuaj hauv embryology. Tag nrho cov theem ntawm kev loj hlob yog qhov chaw nyob hauv ib qho chaw tshwj xeeb uas tsim, qhov zoo tshooj ntawm uas yog yuav luag tib yam li cov kua hauv cov hlab ntaws thiab lub tsev me nyuam xwb.
Cultivation of embryos - dab tsi yog txoj kev no?
Lub caij pib ntawm kev cog qoob pib rau hnub tom qab xov tooj sau cia hauv tus poj niam. Lub embryologist ntsuas qhov tseeb ntawm qhov pib ntawm fertilization, thiab raws li tus naj npawb ntawm feem ntau fertilized qe, kwv yees hnub ntawm hloov ntawm blastocysts yog tsim muaj.
Nws yog feem ntau lees txais tias ntau tus fertilized embryos muaj, ntev lawv cov sau qoob yuav tsum. Qhov no ua rau nws muaj peev xwm xaiv tau cov feem ntau ntawm cov qauv uas muaj lub caij nyoog zoo ntawm kev sib txuas mus rau lub tsev menyuam.
Kev cog qoob loo yog qhov tseeb kev txhim kho nyob rau hauv lub tshav pob ntawm embryology, txij embryos zus rau blastocysts tsis pub dhau 5 hnub ntawm fertilization muaj lub siab muaj peev xwm rau implantation. Txoj kev ua no tau dhau los ua tsaug rau cov khoom tsim tshwj xeeb uas ua rau txhua tus tib neeg muaj kev sib txig, uas embryo tawm ntawm txoj kev ntawm nws txoj kev nce qib hauv poj niam lub cev.
Cryoprotection ntawm blastocysts
Yog hais tias ntau lub kaum ntse ntse ntse qe coj mus, ces cov neeg mob ntawm IVF lub tsev kho mob raug pom zoo los kho mob rau txoj kev rau lawv khov. Tej zaum nws yuav kis tau cov kab mob uas ua rau lub cev fertilization, 4 los sis 8-cell embryos, thiab blastocysts. Qhov no ua rau nws ua tau thaum muaj ib qho khoom siv ua thawj zaug kom tsis txhob muaj kev cuam tshuam ntau heev thiab kim heev.
Ua ntej kev hloov ntawm cov khov kho embryos, lub tsev menyuam yuav tsum tau ua tiav ib txoj kev npaj uas tsis suav cov kev txwv thiab kev tsim ntawm lub zes qe menyuam .
Cov kws kho mob tau ceeb toom tias yuav muaj peev xwm cev xeeb tub nrog kev siv cov qe cryopreserved yog tsawg tshaj li tus qauv IVF. Qhov no yog vim lub fact tias qhov sib-seem ntawm embryos, uas nws zoo dua dog dig, yog raug khov.