Dab tsi yog qhov cryoconservation ntawm oocytes?
Hom no yog suav tias yog ib hom kev sim kawm. Tus tshaj plaws yog hais tias thaum nws yog nqa tawm, qhov ciaj nqi ntawm oocytes tom qab khov qis heev. Ntxiv rau, kev sib deev hlwb, tom qab tho yaj thiab muab tso rau hauv kev tawm xov xwm, tsis tuaj yeem yuav tsum fertilized.
Qhov kev tsim nyog ntawm txoj kev no yuav raug pom zoo tsuas yog tias ib tug poj niam tsis muaj tus txij nkawm lossis tseem tsis tau npaj ua niam ua txiv. Cov xwm txheej zoo ib yam, qhov no yog qhov tsuas yog muaj caij nyoog rau cev xeeb tub thiab muaj menyuam mos. Vim cov neeg siv khoom siv kom khov oocytes, cryoprotectants xws li ethylene glycol thiab dimethylsulfoxide tuaj yeem ua. Cryopreservation ntawm cov qe kuj tau nqa tawm zoo ib yam nkaus . Nws yuav tsum tau sau tseg tias qhov ntev ntawm kev cia tsis raug rau kev ciaj sia taus txhua txoj kev.
Txhua yam nyob ntawm qhov sib txawv ntawm kev sib txawv ntawm qhov oocytes. Yog li, ua ntej yuav ua tiav txoj haujlwm, qhov kev xaiv tseem ceeb muaj kev xyuam xim, uas yog ua los ntawm kev tshuaj xyuas cov oocytes hauv ib lub tsom iav tshwj xeeb.
Raws li kev tshawb nrhiav pom, qhov ciaj sia taus ntawm khov oocytes yog kwv yees li 68%, thaum lub sijhawm lawv fertilization yog 48%. Yog tias peb tham txog qhov kev saib xyuas ntawm cev xeeb tub rau txhua tus khov oocyte, ces qhov no tau pom hauv 2% ntawm cov neeg mob.
Dab tsi yog qhov cryopreservation ntawm lub embryo?
Hom kev khov ntawm qhov biomaterial rau tom ntej IVF cov txheej txheem yog qhov hnyav dua. Tus tshaj plaws yog tias cryopreservation embryos muab nyob rau hauv ntau zoo dua.
Kev siv cov txheej txheem no tso cai rau kev siv tshuaj tua kab mob hauv vitro fertilization kom ua tau rau hauv ib lub voj voog. Yog li, thaum muaj kev hloov ntawm cov kab mob hauv lub cev embryo tsis tshwm sim, koj tuaj yeem siv cryopreserved, thiab tsis txhob cog cov tshiab rau lub nruab nrab cev.
- txo qee lub sij hawm thiab cov nqi rau IVF (cov ntawv xov xwm zoo yog kim);
- txo qis ntawm cov txheej txheem;
- tau rov ua dua IVF tom qab ntev.
Cov ntsiab lus tseem ceeb ntawm cov txheej txheem no muaj xws li qhov tseeb tias qhov kev muaj peev xwm ntawm cev xeeb tub yog li 60%, thiab cov ciaj sia ntawm kev ntseeg dhau los tom qab lawv thaw muaj ntau qhov oscillations, ntawm 35 mus rau 90%. Muab cov lus qhia no, nws nyuaj rau twv seb cov embryos yuav implanted tom qab cryopreservation.