Yuav ua li cas thaum cev xeeb tub?

Cov txheej txheem:

Yuav ua li cas thaum cev xeeb tub?
Yuav ua li cas thaum cev xeeb tub?
Anonim

Thaum thawj theem ntawm kev ua haujlwm, lub ncauj tsev menyuam qhib (dilates) thiab thins tawm (effaces) rau cia tus menyuam txav mus rau hauv qhov yug me nyuam.

txhais tau tias yog 80% effaced?

Dab tsi yog 80 feem pua tau cuam tshuam? Thaum koj lub tsev me nyuam nce mus txog 80 feem pua ntawm qhov ua tau zoo, nws yuav luag luv txaus kom tso cai rau koj tus menyuam los ntawm lub tsev menyuam, piv txwv tias nws tau nrog dilation. Koj tuaj yeem ncav cuag 80 feem pua ntawm kev ua haujlwm lossis siab dua thaum lub sijhawm ua haujlwm ntxov, lossis qhov no yuav tshwm sim thaum koj mus txog kev ua haujlwm.

Koj puas tuaj yeem ua 100 tawm thiab tsis ua haujlwm?

Thaum nws yog 100 feem pua effaced, nws yog "paper-thin." Kev ua haujlwm tuaj yeem tshwm sim ntau hnub ua ntej pib ua haujlwm. Los yog, nws tuaj yeem tshwm sim ntau teev raws li kev ua haujlwm nce ntxiv. Nrog kev ua haujlwm thawj zaug, nws tuaj yeem siv sijhawm ntev rau lub ncauj tsev menyuam kom ua tiav tag nrho.

txhais li cas thaum tus poj niam cev xeeb tub tshwm sim?

Kev ua kom pom thiab nthuav dav tso cai rau tus menyuam yug los ntawm kwj dej yug. Effacement txhais tau tias tias lub ncauj tsev menyuam stretches thiab tau thinner. Dilatation txhais tau hais tias lub ncauj tsev menyuam qhib. Raws li kev ua haujlwm ze, lub ncauj tsev menyuam yuav pib nyias lossis ncab (efface) thiab qhib (dilate).

Puas effaced txhais tau tias thaum cev xeeb tub?

Thaum ua haujlwm, tej zaum koj yuav hnov koj tus kws kho mob hais ib yam dab tsi xws li, "Koj yog 50 feem pua effaced." Qhov no tsuas yog txhais tau hais tias koj lub tsev me nyuam tau thinned tawm mus rau 50 feem pua ntawm qhov pom tau tias ua tiav tag nrho. Yog li, yog tiaskoj hnov koj tus kws kho mob hais li no, koj yog ib nrab txoj kev mus rau 100 feem pua effacement.

Pom zoo:

Nthuav cov khoom
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