Yog tias koj tus kws kho mob pom qhov muag muag, lawv yuav muaj kev xaiv ntawm amniocentesis, uas yuav tsum tau tshwm sim ntawm 15 thiab 20 lub lis piam. Qhov kev ntsuam xyuas yuav tuaj yeem qhia koj nrog ntau dua 99 feem pua qhov tseeb seb koj tus menyuam puas muaj tus mob Down lossis lwm qhov chromosomal txawv txav.
Tus cim mos muag tshaj plaws rau Down syndrome yog dab tsi?
Qhov feem ntau kawm cov cim mos ntawm aneuploidy suav nrog thickened nuchal fold, cov pob txha ntev luv, me me fetal pyelectasis, echogenic plob tsis so tswj, echogenic intracardiac tsom, FMF lub kaum sab xis > 90 degrees, pathologic tshaj tawm ntawm Ductus venosus thiab choroid plexus cyst.
Ntau npaum li cas cov cim mos rau Down syndrome?
Kev tshawb fawb yav dhau los tsis ntev los no pom pom cov cim muag muag nyob hauv kaum feem pua ntawm cov menyuam hauv plab ib txwm thiab tsuas yog 14 feem pua ntawm cov menyuam hauv plab Down syndrome; nuchal quav yog tib qho cim hauv txoj kev tshawb no kom muaj kev pheej hmoo ntawm Down syndrome.
Ntau npaum li cas cov cim muag tsis raug?
Nyob rau hauv txog li 5% ntawm cev xeeb tub, kev tshuaj ntsuam xyuas ultrasound kuaj pom "mos cim" (SM) uas ua rau tus menyuam hauv plab muaj kev pheej hmoo rau qhov mob hnyav. Feem ntau, kev kuaj mob ua ntej yug menyuam tau txiav txim tawm qhov tsis xws luag.
Kuv yuav tsum txhawj txog cov cim muag muag?
Tus cim mos yog qhov kev tshawb pom ntawm fetal sonographic uas tsis yog qhov txawv txav ntawm kev loj hlob thiab feem ntau tsis muaj kev cuam tshuam rau tus menyuam txoj kev noj qab haus huv. Nws ua, txawm li cas los xij, nce qhov yuav tshwm sim ( odds) ntawm qhov muaj kev kuaj mob hauv qab, xws li Down syndrome, thaum cev xeeb tub.
