Kusungunula

Kusungunuka ndi kuzizira kwa majeremusi aamuna ndi aakazi, komanso mazira kuti cholinga chawo chiwasunge kwa nthawi yosatha. Nkhumba, oocyte ndi mazira amatha kuzimitsa (mpaka madigiri -196 Celsius) mu nayitrogeni yamadzi.

Pamaso pa kuzizizira, chinyezi chonse chimachotsedwa m'maselo, chifukwa chimapha panthawi yachisanu. Sungani zinthu zakuda m'mabwato apadera - zombo za Dewar. Zigawo zonse zimatchulidwa, mazira amawasungira 1-2 mu vitro.

Kodi cryopreservation ya umuna ndi oocytes ndi chiyani?

Nkhumba ikhoza kuzizira ngati IVF ikukonzekera, koma patsiku lomaliza munthuyo sadzakhala kuchipatala pazifukwa zina. Chifukwa china chotsitsiramo spermatozoa ndi chifukwa china chotsitsimutsa . Izi zimapangitsa kuti pakhale magawo angapo kuti athe kupeza umoyo wabwino wa umuna ndikuchita bwino pulogalamu ya in vitro fertilization.

Dzira ikhoza kukhala lachisanu kwa iwo omwe ali ndi matenda opatsirana. Dzuwa lisanatuluke ndi mankhwala enaake omwe amachititsa kuti amayi asatayike, mumatha kupanga mazira kuti adzikhala ndi ana.

Mbewu yosungunuka

Anasonkhanitsa kuti afikitse kayendedwe ka umuna. Amayesedwa ndi mayesero komanso amayesedwa. Ngati zizindikirozo ndi zabwino, ndipo mayesero ngati angathe kuthetsa umunawo, adatulutsidwa ndikuwonjezeretsa ndondomekoyi, akuyendetsedwa bwino ndikuyikidwa mu chidebe. Chidebecho ndi kapu ya pulasitiki yochepa kwambiri. Phukusiyi imatchulidwa kuti musakhumudwitse mukakhala ndi umuna wamchere.

Kusungunuka kwa oocytes

Kusonkhanitsa mazira kwa kuzizira ndi njira yayitali komanso yovuta kwambiri kuposa umuna. Mzimayi amapatsidwa mphamvu yotulutsa mahomoni kuti ma oocyte angapo akhwima pa nthawi yomweyo. Pambuyo pake, pamakhala mazira, osankhidwa kwambiri. Iwo amachiritsidwa ndipo madzi owonjezera amachotsedwa, kenaka amaikidwa mu chidebe chapadera ndi mazira ndi madzi a nayitrogeni.

Kusungunuka kwa mazira

Mazira amakhala oundana pazinthu zingapo. Choyamba, kuti, ngati atayesa kuyesa, IVF ikhoza kuyesedwa kachiwiri popanda kubwezeretsa mazira ochulukirapo ndi kupha ma oocytes.

Kuonjezerapo, mazira amayamba kusokonezeka pamene mkazi salola kulembedwa kwa mazira (ovarian hyperstimulation syndrome). Chimake cha endometrium ndi chifukwa chinanso cha mazira oundana. Mazira amapezeka masiku angapo, ndipo abwino mwa iwo amasankhidwa ndikuthandizidwa kuti azizira. Pamene endometrium ya mayiyo ili yokonzeka mazira, kusamutsidwa kwa mazira akuda kumachitika.

Mphuno yozizira imasungidwa malinga ngati mukufuna. Zoonadi, njira yoziziritsa ndi kuponderezana ndi nkhawa kwa mazira. Koma njira zamakono zimangowonjezera mawerengedwe ambirimbiri a mazira oyamwa, komanso kuti atsimikizidwe kuti ali oyenera chitukuko.

Zomwe zimapangitsa kuti mazira asinthe

Choyamba, mazira abwino kwambiri amapereka chisanu - ndi zizindikiro zabwino kwambiri. Chachiwiri, zimachitika pa sitepe inayake ya chitukuko chawo: m'magulu awiri, 4, 8 ndi mablastocysts.

Mazira, omwe zizindikiro zawo zimatchulidwa kuti ndizoipa, samadzikongoletsa kuti azizizira, chifukwa ali ndi katundu wonyansa. Nthawi zina mazira abwino amawonongedwa - izi ndizo mtengo wawo wozizira komanso wotsitsa. Koma nthawi zonse mazira angapo amawazira, kotero ena amakhalabe othandiza atatha kutayika.