Ua li cas hauv vitro fertilization ua haujlwm?

Follicular stimulation

Ua ntej, niam txiv yuav tsum tau kho hormonal txhaj tshuaj. Lub hom phiaj ntawm qhov no: kom tau txais kev txhim kho ntawm ntau cov follicles tso cai rau kev sau ntawm ntau oocytes. Qhov ntau muaj, muaj feem ntau ntawm cev xeeb tub. Kev tawm dag zog yog nruj me ntsis saib xyuas (saib xyuas) los ntawm ultrasounds thiab tshuaj hormonal. Thaum cov follicles paub tab, ovulation tshwm sim los ntawm kev txhaj tshuaj hormones nrog LH kev ua haujlwm: hCG.

Puncture ntawm oocytes

Nyob nruab nrab ntawm 36 thiab 40 teev tom qab tau ua rau ovulation, lub zes qe menyuam follicles yog punctured transvaginally. Ntau precisely, nws yog cov kua uas muaj nyob rau hauv txhua follicle muaj cov laus oocytes uas yog aspirated siv ib rab koob. Lub puncture yog ua nyob rau hauv ultrasound tswj thiab yuav siv sij hawm qhov chaw nyob rau hauv lub zos tshuaj loog los yog, ntau zaus, nyob rau hauv cov tshuaj loog.

Kev npaj ntawm oocytes

Cov kua follicular yog tom qab ntawd kuaj hauv chav kuaj kom paub cov oocytes thiab cais lawv. Koj yuav tsum paub tias tag nrho cov follicles tsis tas yuav muaj oocyte thiab qhov ntawd tsis yog tag nrho cov oocytes yog fertilizable.

Npaj cov phev

Kev sau cov phev thiab nws cov kev npaj (nws yog ntxuav) feem ntau ua rau hnub IVF hauv chav kuaj. LUBcov phev motile tshaj plaws yuav raug xaiv. Rau ntau yam, tej zaum nws yuav tshwm sim tias cov phev tau sau zoo ua ntej; yog li ntawd lawv yuav khov. Nyob rau hauv cov ntaub ntawv ntawm tus txiv neej loj infertility, nws yuav tsum tau ua ke puncture lub oocytes thiab cov spermatozoa (epididymal los yog testicular punctures).

Insemination

Nws yog nyob rau hauv ib kab lis kev cai tais uas muaj cov kua txiv hmab txiv ntoo tias kev sib cuag ntawm spermatozoa thiab oocytes tshwm sim. Qhov no yog muab tso rau hauv lub incubator ntawm 37 ° C. Tom qab ntawd yuav tsum tsis muaj zog lub plhaub ntawm lub oocyte kom ib tug ntawm lawv muaj peev xwm fertilize nws.

Fertilization thiab embryonic kev loj hlob

Hnub tom qab, peb tuaj yeem pom tias muaj oocytes tau fertilized. Txhawm rau kom paub meej cov embryos tau txais, nws yuav tsum tau tos 24 teev ntxiv. Yog hais tias fertilization tau tshwm sim, embryos nrog 2, 4, 6 lossis 8 hlwb tuaj yeem pom (cov xov tooj ntawm tes nyob ntawm hnub lawv tau pom). Feem ntau cov embryos yog pauv mus rau 2-3 hnub tom qab puncture los yog khov.

Lawv kuj tuaj yeem tsim kom hloov mus ntev me ntsis hauv kab lis kev cai ntev mus txog rau theem "blastocyst", theem kawg ntawm kev loj hlob ua ntej hatching.

Embryo hloov lwm lub tsev

Qhov no tsis mob thiab ceev taw yog nqa tawm nyob rau hauv lub IVF kuaj. Siv ib tug nyias catheter, lube los yog embryo tso rau hauv lub tsev menyuam. Feem ntau tsuas yog ib lossis ob lub embryos raug xa mus thiab lwm tus yog khov yog tias lawv qhov kev tso cai zoo. Tom qab ua qhov no, theem luteal tau txais kev txhawb nqa los ntawm cov khoom noj txhua hnub ntawm progesterone.

Kev saib xyuas cev xeeb tub

Kev xeeb tub yog sau tseg los ntawm a systematic hormonal koob tshuaj nyob ib ncig ntawm lub kaum peb hnub tom qab hloov embryo (nyob rau hauv IVF tej zaum yuav muaj nuj nqis los ntshav uas yuav npog qhov pib ntawm cev xeeb tub).

Yuav ua li cas yog IVF nrog ICSI?

Thaum lub sij hawm IVF nrog ICSI (intracytoplasmic phev txhaj), tshwj xeeb tshaj yog rau txiv neej infertility, txoj kev yog txawv me ntsis. Tsuas yog ib tug phev xwb. Tom qab ntawd nws raug txhaj rau hauv ib qho oocyte thiab ntawm qhov chaw tshwj xeeb. Tom qab 19-20 teev, lub xub ntiag ntawm ob lub nuclei raug kuaj xyuas.

Sau ntawv cia Ncua