Tsev thiab Tsev Neeg, Cev xeeb tub
Lub degree ntawm kom loj hlob ntawm lub tsho me nyuam los ntawm lim piam (saib cov lus). Kev cai thiab hloov tsev me nyuam kom loj hlob
Tsev me nyuam - ib tug tseem ceeb lub cev ntawm lub cev xeeb tub poj niam, uas yog tsim thiab muaj thoob plaws hauv lub sij hawm ntawm me nyuam hauv plab kev loj hlob. Tom qab cov tsos ntawm cov me nyuam mos yug los tus me nyuam lub rooj yog nraus tam sim ntawd. Qhov no cim ib ntus lub cev txuas niam thiab tus me nyuam thaum lub sij hawm cev xeeb tub. Nws yog ua tsaug rau lub tsho me nyuam tus me nyuam tau txais qhov tsim nyog cov as-ham.
Child lub rooj raws li tej uas nyob kab mob, yog tsim, thiab cov paub tab laus. Txhua yam ntawm cov physiological dab yuav tsum muab qhov chaw nyob rau hauv vim lub sij hawm. Nyob rau hauv cov ntaub ntawv no, lub cev xeeb tub yuav npaj mus kawm, thiab tus menyuam yuav tsum noj qab nyob zoo. Yog hais tias lub expectant niam xav paub dab tsi, piv txwv li, yuav tsum tau cov neeg kawm ntawv ntawm kom loj hlob ntawm lub tsho me nyuam ntawm 33 lub lim piam uas cev xeeb tub, nws yuav tsum tau siv ib tug tshwj xeeb cov lus uas muaj lub ntxawg ntsuas. Xws li ib tug tswvyim yog muab nyob rau hauv tsab xov xwm hauv qab no. Tsaug rau nws, koj muaj peev xwm pom tau tias tsim tus me nyuam lub rooj kom haum.
Thaum lub tsho me nyuam yog tsim?
Tsev me nyuam lo lus nyob rau hauv Latin txhais tau tias "tortilla". Qhov no lub cev yog hu ua li vim nws disk-zoo li tus flattened.
Nyob ib ncig ntawm lub thib kaum hnub tom qab conception, hlwb uas nws lub hom phiaj yog los xyuas kom meej kev sib txuas lus ntawm niam thiab fetus pib los mus sib qhia. Qhov no los tau nyob rau hauv zus tau tej cov kev enzymes. Lawv ua hauj lwm yog los ua ib tug dej siab ib puag ncig ntawm lub uterine kab noj hniav rau tom ntej saturation tau tus me nyuam cov as-ham los ntawm leej niam lub cev. Tom qab ntawd, mus tas li ntshav ntawm cev xeeb tub thiab me nyuam me. Cov kev loj hlob ntawm lub tsho me nyuam yuav dhia li ntawd qhov loj ntawm lub cev nyob rau hauv thaum ntxov ua sawv ntawm lub embryo txawm ntau tshaj tus nqi.
Yuav ua li cas yog lub tsho me nyuam?
Lub hom phiaj tseem ceeb yog muab me nyuam hauv plab lub tsev me nyuam lub neej rau tag nrho lub sij hawm uas cev xeeb tub. Cov me nyuam qhov chaw muaj cov nram qab ib qho tseem ceeb functions:
- Nws muab immunological tiv thaiv ntawm lub fetus, dua cov tsim nyog cov tshuaj rau tus me nyuam ntawm ib tug cev xeeb tub poj niam, tab sis nyob rau tib lub sij hawm tseem muaj feem tej hlwb ntawm lub cev ntawm leej niam, leej twg yuav pib lub mechanism ntawm embryo rejection, noj nws rau ib tug txawv teb chaws yam khoom;
- detoxifies;
- Nws tiv thaiv cov me nyuam mos los ntawm cov yam ntxwv tsis zoo ntawm qhov chaw, teeb meem los ntawm cov kab mob thiab cov kab mob;
- Nws ua lub zog ntawm lub endocrine qog, synthesizing tej cov tshuaj hormones uas yuav tsum tau rau ib tug muaj kev vam meej uas cev xeeb tub;
- muab cov pa txiv hmab txiv ntoo thiab outputs lub resultant carbon dioxide;
- Nws muab tus me nyuam cov as-ham thiab pab tau tshem ntawm cov khoom pov tseg.
Raws li txoj cai ntawm lub tsho me nyuam muaj ib tug heev ib qho tseem ceeb feem ntawm tus me nyuam thiab nyob rau hauv tus txheej txheem ntawm cev xeeb tub nyob rau hauv feem ntau. Yuav kom tswj tau cov kev kho mob ntawm lub cev yog tsim nyog los tiv thaiv nws los ntawm qhov teeb meem los ntawm ntau hom. Piv txwv li, nws yog pom zoo kom tsis txhob ntau ntawm ib tug loj tus naj npawb ntawm cov neeg, txawm tias ib tug banal SARS los yog mob ua pa kab mob tej zaum yuav txaus ntshai. Tos niam yuav tsum tsis txhob haus luam yeeb. Yog hais tias ib tug poj niam muaj qhov chaw mos mob, yuav tsum tau tshem ntawm lawv.
Ntxawg tsev me nyuam thickness
Los ntawm cov heev thaum pib ntawm cev xeeb tub lub tsho me nyuam yog nquag loj hlob thiab tsim. Los ntawm lub lim tiam 16-18 no hloov khoom nruab nrog ua siab haumxeeb. Lub thickness ntawm lub tsho me nyuam tsub kom me ntsis txhua hnub. Nws siab tshaj plaws, qhov no daim duab ntawm lub nce mus 34 lub lis piam. Yog hais tias koj cev xeeb tub tshwm sim xyuam xim, nws tseem yog ib tug ob peb lub lim piam ntawm kev loj hlob thiab kev nce nyob rau hauv lub thickness ntawm lub tsho me nyuam tsis tau lawm, thiab tej zaum kuj txawm mus rau hauv poob.
Yog hais tias lub thickness ntawm tus me nyuam lub rooj nyob rau hauv ib tug ntev ntawm cev xeeb tub tsis tau raws li lub ntxawg indicators, As, nws txhais tau tias hauj lwm ntawm lub cev puas lawm. Nws yuav raug kev txom nyem thiab tus me nyuam.
Lwm uas qhia hais tias yuav siv tau rau kev ntsuam xyuas hauv lub xeev ntawm tus me nyuam cov rooj zaum, yog cov neeg kawm ntawv ntawm kom loj hlob ntawm lub tsho me nyuam los ntawm lub lim tiam. Rooj txheem qhov tseem ceeb yuav raug ntsuam xyuas qhov teeb meem no. Tam sim no xav txog rooj plaub thaum lub thickness ntawm lub tsho me nyuam raws ntawm tus txheej txheem.
Yog hais tias lub thickness ntawm lub tsho me nyuam nyhav dhau heev lawm
Ua ntev thooj ntawm lub tsho me nyuam nyob rau hauv ib tug cev xeeb tub poj niam tej zaum yuav anemia, preeclampsia, Rhesus-teeb meem, mob ntshav qab zib. Tsis tas li ntawd ib tug tsis zoo feem nyob rau tus me nyuam cov rooj zaum muaj kis kab mob. Ntxiv mus, qhov kev nyab xeeb tshwm sim txawm thaum lub expectant niam yog ib cov cab kuj ntawm cov kab mob. Yog hais tias ib tug cev xeeb tub haus luam yeeb, haus dej haus cawv los yog narcotic tshuaj, nws thickness tsev me nyuam kuj yuav nce.
The pace ntawm kev laus ntawm tus me nyuam cov rooj zaum nrog rau cov pathology ceev, thiab yog li ntawd, lub cev copes nyob rau hauv-kev ua tau zoo nws zog. Yog hais tias lub tsho me nyuam yog nyeem tas, nws swells, nws cov phab ntsa qauv yog sib txawv, muaj yog ib tug ntxaug nyob rau hauv hormonal theem. Cov tshwm sim ntawm cov kev hloov no yog ib qho tsis txaus mov ntawm oxygen thiab tus me nyuam kev noj haus. Qhov no yuav ua rau intrauterine txoj kev loj hlob ruamqauj tus me nyuam hypoxia, ntxov ntxov yug los yog txawm tuag ntawm tus me nyuam hauv plab.
Raws li cov ntsiab ntawm ultrasound diagnostics, doppler los yog CTG, tus kws kho mob assigns ib tug cev xeeb tub poj niam nrog ib tug me nyuam lub rooj nyeem tas cov tshuaj uas tsim kho lub uterine-placental pauv thiab txhawb lub cev txoj kev loj hlob ntawm tus me nyuam. Yog hais tias tus mob ntawm lub fetus tsis txhawb ntshai, tus kws kho mob tej zaum yuav muaj ntau soj ntsuam lawm yav tom ntej leej niam.
Yog hais tias lub tsho me nyuam tuab tsawg dua li ib txwm
Nyias tsev me nyuam tej zaum yuav qhia ntawm hypoplasia ntawm tus me nyuam cov rooj zaum. Li ntawd, yog ib tug mob nyob qhov twg hauv lub cev yog tsis tsim txaus thiab muaj peev xwm tsis zoo tiv nrog lawv khiav dej num.
Ntev li yuav txo tau nyob rau hauv lub thickness ntawm lub tsho me nyuam yuav ua tau ib tug feature ntawm tsab kevcai tswjfwm ntawm lub cev xeeb tub (feem ntau nws yuav tshwm sim nyob rau hauv cov poj niam me me-build), thiab ua tus tshwm sim ntawm ib tug xov tooj ntawm lwm yam yog vim li cas. Piv txwv li, xws li ib abnormality zaum yuav tshwm sim tom qab lub expectant niam raug kev txom nyem kab mob. Kuj yuav muaj kev cuam tshuam tawg, hemolytic kab mob, los yog atherosclerosis.
Yog hais tias tsis txaus thickness ntawm lub tsho me nyuam yog lub txiaj ntsim ntawm ib tug kab mob ntawm yav tom ntej leej niam, ib qho kev nce ntawm qhov ntsuas no yuav tau pawg los ntawm ib tug tsim nyog kho mob. Nyob rau hauv lwm yam mob, tus kws kho mob siv kev kho mob kev kho aimed ntawm nrhiav tau zoo txim ntawm tus me nyuam txoj kev loj hlob.
Nws yog lub sij hawm mus xav txog xws li ib qho tseem ceeb daim duab raws li lub tsho me nyuam kom loj hlob.
Yuav ua li cas yog lub kom loj hlob ntawm lub tsho me nyuam?
Maturation ntawm lub tsho me nyuam - ib tug natural txheej txheem uas nrog txoj kev loj hlob ntawm lub cev. Txoj kev loj hlob ntawm tus me nyuam lub rooj yog xws li hais tias nws yuav siab thiab nyob rau hauv ib tug raws sijhawm los xyuas kom meej cov kev xav tau ntawm lub fetus.
Lub degree ntawm kom loj hlob ntawm tus me nyuam lub rooj - ib tug tseem ceeb qhia. Nws yuav pab tau koj ntsuam xyuas qhov mob ntawm placental complex. Tsis tas li ntawd, qhov no feature yuav pab tau raws sij hawm ntes pathological kev hloov nyob rau hauv tus qauv ntawm lub tsev me nyuam, uas yuav muaj ib tug tsis zoo ntxim rau cov me nyuam hauv plab.
Yog hais tias lub cev xeeb tub yog dab tsi, rau lub sij hawm ntawm nws lub tsev me nyuam muaj 4 degrees ntawm kom loj hlob. Ib tug paub piav qhia txog ntawm txhua li nram no.
Lub degree ntawm kom loj hlob ntawm lub tsho me nyuam los ntawm lim piam (saib cov lus)
Paub qhov txawv 4 degrees tsev me nyuam kom loj hlob. Txhua yam ntawm lawv raws li ib tug tej lub sij hawm ntawm kev loj hlob ntawm lub cev.
Lub degree ntawm kom loj hlob ntawm lub tsho me nyuam | Normative lub sij hawm uas cev xeeb tub | Tus qauv ntawm lub tsho me nyuam | Cov yam ntxwv uas nyob ib sab mus rau lub fetus chorionic cov ntaub so ntswg | Lub xub ntiag ntawm calcium deposits |
zero | 30 lub lim tiam | homogeneous | Du thiab theem | suab tsis muaj |
thawj | Los ntawm 27 mus rau 36 lub lim tiam | Muaj ib tug me me muaj pes tsawg tus ntawm cov ntsaws ruaj ruaj | Muaj cais echogenic inclusions. Chorionic phaj acquires undulation | Muaj nyob rau hauv me me qhov ntau |
thib ob | Los ntawm 34 rau 39 lub lim tiam | Ib tug loj tus naj npawb muaj ib tug muaj zog foob | Muaj me me echogenic inclusions nyob rau hauv loj nyiaj. Chorionic phaj yuav txawm loj ripple | Muaj kom meej meej distinguishable chaw |
peb | Tom qab 36 lub lim piam | Tej zaum muaj cov hlwv | Waviness chorionic phaj lus hais. Lub tsev me nyuam muaj Lobed qauv | abound |
Lub rooj qhia tau hais tias lub zero degree ntawm kom loj hlob ntawm lub tsho me nyuam ntawm 30 lub lis piam - ib daim duab uas yog nyob rau hauv ib txwm txwv. Yog hais tias tus kws kho mob tom qab qhov kev xeem ntawm lub neej yav tom ntej leej niam yog li ntawd menyuam maturing tus me nyuam lub rooj, ces lub cev xeeb tub yog zoo.
Paub piav qhia txog ntawm txhua tus ntawm cov degrees ntawm kom loj hlob lub tsev me nyuam
Yog hais tias tus me nyuam lub rooj ua ntej ntawm tus nqi ntawm txoj kev loj hlob los yog, nyob rau hauv tsis tooj, yog tom qab nws, tej zaum yuav tsim pathologies. Tej lub sijhawm yuav sib tham txog hauv qab no.
Zoo nyob rau hauv txoj kev loj hlob ntawm lub tsho me nyuam
Ib tug ntawm cov teeb meem txuam nrog rau tus me nyuam cov rooj zaum, tej zaum nws yuav ntxov ntxov ripening. Hais txog qhov no pathology yuav tau tham, yog tias 2 lub degree ntawm kom loj hlob ntawm lub tsho me nyuam ntawm 32 lub lis piam hnub twb pib. Nyob rau hauv cov ntaub ntawv no, lub xeev ntawm lub fetus yuav tsum tau ua tib zoo saib xyuas. Tseeb, xws li ib tug teeb meem no yog pov thawj ntawm placental insufficiency. Ntau ntau cov ntaub ntawv no yuav tsum tau tham hauv qab no.
Ib qho teeb meem uas tshwm sim tsawg zaus yav dhau los - yog lig maturing tus me nyuam cov rooj zaum. Feem ntau cov feem ntau, qhov no pathology yog yus nyob rau hauv hais tias thaum muaj congenital malformations ntawm lub fetus. Ntxiv muaj tej yam yog ib tug kab mob ntawm lub neej yav tom ntej leej niam muaj ntshav qab zib, Rhesus-teeb meem los yog lub xub ntiag ntawm ib tug cev xeeb tub poj niam xws tsis tau phem li haus luam yeeb los yog haus dej cawv. Yog hais tias muaj yog ib tug kev ncua nyob rau hauv lub maturation ntawm lub tsho me nyuam, nws tsub kom qhov uas yuav yug ntawm ib tug menyuam uas tuag lawm.
Ntxov ntxov maturation ntawm lub tsho me nyuam
Qhov no txoj kev loj hlob yog suav tias yog ntxov ntxov thaum nastaot thib ob degree ntawm kom loj hlob ntawm lub tsho me nyuam nyob rau hauv 32 lub lis piam uas cev xeeb tub ua ntej.
Cov ua rau tus kab mob no yog raws li nram no:
- preeclampsia;
- impaired hormonal tshuav nyiaj li cas;
- cov kab mob ntawm cov hlab plawv system thiab mob ntshav qab zib mellitus nyob rau hauv cev xeeb tub;
- xub ntiag ntawm kis kab mob;
- tawg nyob rau hauv lub expectant niam;
- ntau yam uas cev xeeb tub;
- ntev li calcium cov ntsiab lus nyob rau hauv cov poj niam;
- previa los yog placental abruption;
- Rhesus-teeb meem;
- kev siv cov cev xeeb tub haus dej haus cawv, nicotine, cov tshuaj.
Tsis tas li ntawd xam tau tias yog ntxov ntxov laus, thaum peb degree ntawm kom loj hlob ntawm lub tsho me nyuam nastaot ua ntej 36 lub lis piam uas cev xeeb tub. Txawm li cas los nws tus kheej thaum ntxov kev laus ntawm tus me nyuam cov rooj zaum tsis yog ib qho tam sim ntawd kev hem thawj rau kev noj qab nyob los yog lub neej ntawm lub fetus. Nyaum no pathology thaum tus kws kho mob tom qab soj ntsuam pom ua txhaum ntawm lub cev xeeb tub poj niam, uas yuav ua tau kom zoo txim. Qhov no yuav ua tau me nyuam hauv plab hypoxia, intrauterine txoj kev loj hlob ruamqauj, txoj kev pheej hmoo ntawm ntxov ntxov yug.
Cov kws kho mob yuav tsum xyuas kom meej lub xub ntiag ntawm pathology, siv lwm yam diagnostic txoj kev. Yog hais tias ntshai twb paub tseeb hais tias, lub cev xeeb tub nram qab no kev kho mob, nyob rau hauv tej rooj plaub, txawm nyob ruaj ruaj.
xaus
Qhov tseem ceeb tshaj qhia ntawm lub tsho me nyuam yog cov neeg kawm ntawv ntawm nws kom loj hlob. Qhov no yam ntxwv yuav ua rau nws tau los soj ntsuam ob physiological thiab pathological kev hloov nyob rau hauv lub nruab nrab lub cev. Siv hais nyob rau hauv tsab xov xwm ib tug tshwj xeeb lub rooj, lub expectant niam yuav nrhiav tau ib qho kev gestational hnub nyoog sib nug xov mus rau lub degree ntawm kom loj hlob ntawm lub tsho me nyuam. 31 lub lis piam, piv txwv li, yuav tsum tau tsiag ntawv los ntawm thawj theem ntawm tus me nyuam cov rooj zaum.
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