Tus poj niam lub tsev me nyuam yog pear-puab. Anatomically, nws distinguishes lub caj dab, lub cev thiab hauv qab. Thaum ua tiav ib qho kev ntsuam xyuas echographic, nws qhov ntev thiab txoj hauj lwm ntsig txog lub dav hlau nruab nrab yuav raug tsim. Qhov loj ntawm lub tsev menyuam hauv tus pojniam nulliparous thiab ib tug poj niam uas muaj menyuam yaus txawv thiab txawv ntawm qhov dav ntawm 34 txog 54 hli.
M-Echo yog dab tsi?
Nrog ultrasound, endometrium ntawm uterus yog soj ntsuam rau nws cov thickness, qauv, thiab qhov kev mob ntawm endometrium yog xyuas rau theem ntawm kev coj khaub ncaws. Tus nqi no feem ntau qhia los ntawm M-echo ntawm uterus. Lub thickness ntawm tus txheej txheem endometrial feem ntau yog npaum li qhov loj tshaj ntawm tus anteroposterior M-echo nqi.
Tus nqi M-echo hloov li cas?
- Thawj ob hnub ntawm kev coj khaub ncaws, tus M-echo yog pom tau rau hauv kev tsim ntawm hom kab uas tsis sib xws nrog txo cov roj ntsha. Lub thickness yog 5-9 hli.
- Twb tau rau hnub 3-4, lub M-echo muaj ib tug tuab ntawm 3-5 hli.
- Nyob rau hnub 5th-7th, ib co thickening ntawm tus M-echo tshwm sim rau 6-9 hli, uas yog txuam nrog rau thaum kawg ntawm lub caij nyoog loj hlob.
- Qhov siab tshaj plaws ntawm M-echo yog pom nyob rau ntawm 18-23 hnub ntawm kev coj khaub ncaws.
Los ntawm tag nrho cov saum toj no, peb tuaj yeem xaus tias M-echo ntawm uterus tsis muaj ib tug tas mus li tus nqi, tab sis nyob rau hauv cov qauv nws yog nyob rau hauv cov ntau ntawm 0.3-2.1 cm.
Ib qho tag nrho ntawm 4 degree ntawm M-echo ntawm uterus, txhua tus uas sib raug rau lub xeev ntawm endometrium thaum lub sij hawm:
- Degree 0. Nws yog pom nyob rau hauv proliferative theem, thaum cov ntsiab lus tshuaj estrogen nyob rau hauv lub cev me me.
- Kev Ntsuas 1. Twb pom nyob hauv qib theem qis, thaum cov qog loj thiab qhov kawg ntawm endometrium.
- Degree 2. Ntsuas qhov kawg ntawm maturation ntawm lub follicle .
- Degree 3. Soj ntsuam nyob rau ntawm cov lus nug, uas yog nrog los ntawm kev nce hauv cov concentration ntawm glycogen hauv cov qog qhov ncauj qis.
Nruab nrab M-echo
Qhov nruab nrab ntawm M-echo ntawm lub tsev menyuam yog ib qho tseem ceeb qhia, uas yog kev xav ntawm ultrasound tsis tau los ntawm cov phab ntsa ntawm uterine kab noj thiab endometrium.
Qhov nruab nrab ntawm M-echo yog txhais tau tias yog ib homogeneous hyper-genic structure, uas yog mus rau theem pib ntawm lub voj voog. Qhov no yog piav qhia los ntawm cov ntsiab lus ntawm glycogen nyob rau hauv cov qog endometrial , uas tshwm sim los ntawm qhov kev txiav txim ntawm progesterone.
Cev xeeb tub
Thiaj li rau ib lub qe fertilized yuav tsum tau txais txhua zaus, thiab cev xeeb tub tau tuaj, nws yog ib qho tseem ceeb uas M-echo ntawm lub tsev menyuam tau 12-14 hli. Nyob rau hauv rooj plaub uas qhov M-echo tseem ceeb dua, qhov kev muaj feem rau kev xeeb tub tsawg, tab sis tseem nws tshwm sim tau, uas yog piav qhia los ntawm tus kheej ntawm txhua yam kabmob.