Qhov tseeb ntawm qhov kev tshuaj ntsuam xyuas yog nyob ntawm seb qhov kev kuaj xyuas pom tau qhov tsis zoo thaum yug. Nuchal translucency test kom raug pom Down syndrome hauv 64 txog 70 tawm ntawm 100 fetuses leej twg muaj. Nws nco Down syndrome hauv 30 txog 36 ntawm 100 fetuses.
NT scan yuam kev?
Nws yog kev tshuaj ntsuam ua ntej yug menyuam, txhais tau tias nws tsis tuaj yeem kuaj tau ib yam mobVim tias qhov tsis zoo nrog NT kuaj ib leeg yog qhov tshwm sim, nws feem ntau ua ke nrog kev kuaj ntshav kom muaj. Kev nkag siab ntau ntxiv txog qhov sib txawv ntawm koj tus menyuam yug los muaj kab mob caj ces.
Dab tsi yog qhov ntsuas nuchal translucency ntawm 12 lub lis piam?
Thawj peb lub hlis twg kev ntsuas ntawm NT ntawm 12 lub lis piam ntawm cev xeeb tub yog 3.2 mm thaum lub sijhawm kuaj thawj peb lub hlis twg. Qhov ib txwm muaj ntawm NT rau lub hnub nyoog no yog 1.1-3 hli.
Lub lis piam twg peb tuaj yeem txiav txim siab tsis zoo?
Nuchal translucency scan tiav nruab nrab ntawm 11 thiab 14 lub lis piam ntawm cev xeeb tub. Tej zaum nws yuav tsum tau ua ib leeg, lossis nws yuav ua tau thaum koj tab tom muaj koj daim duab sib ntsib.
Puas yog tuab nuchal translucency ib txwm?
Ntau tus me nyuam noj qab nyob zoo muaj tuab nuchal quav. Txawm li cas los xij, muaj feem ntau dua rau Down syndrome lossis lwm yam mob chromosome thaum lub nuchal quav yog tuab. Tej zaum kuj yuav muaj feem ntau dua rau cov kab mob uas tsis tshua muaj caj ces.
