Kev xeeb tub nrog menyuam ntxaib: cov cim qhia ntxov, yuav ua li cas thiaj paub (lub plab, lub sijhawm, qhov hnyav)

Kev xeeb tub ntxaib yog tus yam ntxwv nyuaj dua ntawm nws txoj kev kawm. Cov poj niam nqa ob tus menyuam nyob hauv kev saib xyuas ze ntawm kws kho mob thoob plaws lub sijhawm cev xeeb tub. Cov niam muaj kev cia siab tau muab cov tshuaj tshwj xeeb uas ua rau cev xeeb tub tau yooj yim dua thiab txo qhov kev pheej hmoo ntawm nchuav menyuam. Txawm hais tias nyob rau theem pib ntawm cev xeeb tub, cov yam ntxwv tshwm sim uas qhia yuav ua li cas thiaj paub txog qhov kev xeeb tub.

Kev xeeb tub ntau yog kev loj hlob ntawm 2 lossis ntau dua fetuses nyob rau hauv lub uterine kab noj hniav.

Hais txog ntau lub cev xeeb tub

Qhov zaus ntawm kev kuaj pom ntawm ntau lub cev xeeb tub yog li ntawm 1.5-2.5%. Raws li txoj cai, cev xeeb tub nrog 2 lossis ntau dua fetuses yog nce hauv cov khub niam txiv uas ib tug lossis ob leeg niam txiv yug hauv ntxaib / triplets. Qhov mob obstetric no feem ntau kis los ntawm tus poj niam kab. Tsis ntev los no, ntau zaus ntawm cev xeeb tub tau nce vim yog kev siv cov kev pabcuam kev yug me nyuam. Ib qho kev pab cuam kuj yog tsim los ntawm kev siv tshuaj tiv thaiv kab mob hormonal, tom qab kev tshem tawm, feem ntau 2 lossis ntau dua oocytes pib loj hlob hauv zes qe menyuam. Tom qab ntawd, lawv tuaj yeem ntsib nrog 2 spermatozoa, uas yuav ua rau kev loj hlob ntawm dichorionic diamniotic ntxaib.

Kev xeeb tub ntau yog ib qho kev pheej hmoo siab xeeb tub thiab yug menyuam. Xws li cov txheej txheem gestational yog txuam nrog ntau qhov teeb meem thaum cev xeeb tub thiab yug me nyuam, thiab xav tau ntau zaus rau kev phais mob. Nyob rau hauv lub sij hawm puerperal, ib tug yav tas los overdistended uterus nyhav zuj zus zuj zus tshaj tom qab ib tug singleton cev xeeb tub. Yog li ntawd, qhov zaus ntawm kev kis kab mob thiab inflammatory postpartum teeb meem nce. Kev vam meej ntawm cov chav kawm thiab kev ua tiav raws sijhawm ntawm cov txheej txheem gestational nyob ntawm ib sab, ntawm lub xeev ntawm niam lub cev thiab chorionicity ntawm tus menyuam ntxaib, thiab ntawm qhov tod tes, ntawm kev tshaj lij ntawm cov kws kho mob hauv kev xeeb tub thiab. yug menyuam.

Raws li cov txheej txheem kho mob, nrog rau ntau lub cev xeeb tub, nws yog ib qho tsim nyog los txiav txim siab qhov degree ntawm chorionality thiab amnionality. Cia peb xav seb nws yog dab tsi.

  • Chorion yog lub cev xeeb tub yav tom ntej. Qhov kev xaiv zoo tshaj plaws yog thaum txhua tus fetus muaj nws tus kheej chorion. Cov qauv no muab khoom noj khoom haus rau cov kab mob loj hlob thiab yog lub luag haujlwm rau cov txheej txheem metabolic.
  • Lub amnion yog lub fetal membrane uas tsim lub hnab amniotic. Tom qab sab hauv yog ntim nrog amniotic kua (amniotic kua). Yog tias txhua tus menyuam hauv plab muaj nws tus kheej amnion thiab nws cov placenta, ces qhov kev xeeb tub no muaj kev pheej hmoo tsawg dua piv rau cov menyuam ntxaib monochorionic monoamniotic.

Nrog ntau lub cev xeeb tub, qhov zaus ntawm kev npaj ultrasound yog qhov kev txiav txim siab ntau dua nrog kev xeeb tub ib leeg. Qhov no yog qhov tsim nyog rau kev kuaj mob ntxov ntawm cov teeb meem ntawm obstetric, uas tuaj yeem tshwm sim tsuas yog nrog 2 lossis ntau dua fetuses hauv lub tsev menyuam. Tus naj npawb ntawm kev tshuaj ntsuam ultrasounds nyob ntawm qhov chorionicity ntawm fetuses.

Nta ntawm ntxaib cev xeeb tub

Muaj ob hom kev xeeb tub: monozygotic thiab ob lub qe. Txhua hom muaj nws tus yam ntxwv, uas yog ib qho tseem ceeb uas yuav tau xav txog thaum nqa me nyuam.

Kev xeeb tub nrog menyuam ntxaib: cov cim qhia ntxov, yuav ua li cas thiaj paub (lub plab, lub sijhawm, qhov hnyav)
Kev xeeb tub nrog menyuam ntxaib yog txheej txheem nyuaj dua li nqa ib tus menyuam. Lub sijhawm no, tus poj niam yuav ntsib teeb meem kev noj qab haus huv thiab xav tau kev saib xyuas kev noj qab haus huv ze.

Muaj ob hom kev xeeb tub, txhua tus muaj nws tus yam ntxwv:

  • Ib hom qe. Tom qab fertilization, tus poj niam qe muab faib ua qhov sib npaug. Yog li ntawd, cov me nyuam yug los tib yam: lawv yog tib tug poj niam txiv neej, zoo sib xws nyob rau hauv tsos, lawv muaj cov yam ntxwv zoo sib xws, raws li zoo raws li tib lub hom phiaj rau cov kab mob. Qhov no yog vim qhov coincidence ntawm cov noob caj noob ces nyob rau hauv lub cev ntawm cov me nyuam.
  • Hom ob lub ntsej muag. Rau hom kev xeeb tub tshwm sim, nws yog ib qho tsim nyog rau ib tug poj niam kom muaj ob lub qe tib lub sijhawm, uas yuav tsum tau fertilized los ntawm cov phev. Cov menyuam yaus no tsis zoo ib yam li ib leeg, lawv yuav muaj tus cwj pwm txawv thiab ntau hom noob.

Hom thib ob ntawm cev xeeb tub yog ntau dua thiab muaj cov yam ntxwv sib txawv. Nrog xws li cev xeeb tub, kev sib deev ntawm cov menyuam feem ntau txawv.

ZAJ NKAUJ TWINS IN EARLY PREGNANCE | Cov tsos mob ntxaib | CEEB TOOM tias koj muaj TWINS!

Ntawm cov teeb meem uas tshwm sim hauv nws cov txheej txheem, cov hauv qab no tshwj xeeb tshaj yog:

Vim muaj cov teeb meem zoo li no, tus kws kho mob nyob rau hauv kev saib xyuas tus ntxhais cev xeeb tub yuav tsum tau ceev faj tshwj xeeb. Tsis tas li ntawd, tus niam expectant nws tus kheej yuav tsum tau saib xyuas nws tus mob.

Sau ntawv cia Ncua