Puas yog yolk sac yog ib qho cim zoo?
Puas yog yolk sac yog ib qho cim zoo?

Video: Puas yog yolk sac yog ib qho cim zoo?

Video: Puas yog yolk sac yog ib qho cim zoo?
Video: kev ua plees ua yig puas yog ib qho zoo 2024, Kaum ib hlis
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Thaum Gestational Sac Pom tau ntawm Ultrasound

Visualizing ib tug gestational hnab yog yeej ib kos npe zoo ntawm cev xeeb tub, tab sis nws tsis yog ib qho kev lees paub tias koj cev xeeb tub noj qab nyob zoo thiab yuav mus zoo li qub. Cov yolk qab Feem ntau yuav pom ntawm transvaginal ultrasound ntawm 5 1/2 thiab 6 lub lis piam gestation.

Tom qab ntawd, puas yog lub hnab yolk yog ib qho cim zoo ntawm 5 lub lis piam?

Nyob rau lub sijhawm no, a yolk qab tuaj yeem pom hauv lub cev xeeb tub hnab . Cov yolk qab yuav yog qhov ntxov tshaj ntawm cov as-ham rau cov me nyuam hauv plab. Tib neeg chorionic gonadotropin (hCG) qib tuaj yeem muaj qhov sib txawv me ntsis ntawm qhov no. Txhua yam ntawm 18 - 7, 340 mIU / ml yog suav tias yog ib txwm nyob ntawm 5 lis.

Tom qab ntawd, lo lus nug yog, dab tsi yog lub hnab yolk thaum cev xeeb tub? Thaum ntxov cev xeeb tub , cov yolk qab ua hauj lwm raws li ib qhov chaw ntawm kev noj haus rau lub fetus loj hlob. Nws yog thawj cov qauv uas pom nyob rau hauv lub gestational hnab , uas lub hnab ntim cov fetus loj hlob thiab cov kua amniotic. Cov yolk qab muab khoom noj khoom haus rau lub embryo loj hlob mus txog rau thaum lub placenta yuav dhau mus.

Yog li ntawd, ntev npaum li cas tom qab yolk sac puas fetal ncej?

Cov fetal ncej feem ntau pom mus rau qhov kawg ntawm lub lim tiam 5, lub embryo yog thawj zaug pom raws li ib tug nubbin ntawm cov ntaub so ntswg nyob ib sab mus tab sis txawv ntawm lub yolk qab , txhim kho raws chorionic margin ntawm lub yolk qab ; nws yog kwv yees li 2 hli ntev ntawm 5 lub lis piam.

Lub hnab yolk zoo li cas?

Tsis tshua muaj, cov yolk qab tuaj yeem pom tom qab yug me nyuam me me, me ntsis oval-puab lub cev uas nws txoj kab uas hla txawv ntawm 1 hli mus rau 5 hli; nws nyob nruab nrab ntawm lub amnion thiab chorion thiab tej zaum yuav pw los yog ntawm qhov sib txawv ntawm qhov chaw mos.

Pom zoo: