Qhov twg ua rau lub kilograms mus?
Yuav kom paub seb ntau npaum li cas ib lub cev hnyav tom qab yug me nyuam, koj yuav tsum paub qhov nyhav txhua yam uas tus poj niam yug tus menyuam thaum yug tus me nyuam:
- tus me nyuam;
- amniotic dej;
- lub chaw me nyuam, los yog tus me nyuam qhov chaw;
- ntshav.
Cov me nyuam hnyav txawv (ntawm 2 mus rau 5 kg), thiab ib tug neeg yug me me, thiab ib tug neeg yog ib tug hero. Raws li, ntau npaum li cas kg nplooj tom qab yug me nyuam, yuav nyob ntawm seb qhov ceeb thawj ntawm tus me nyuam mos.
Cov dej hauv cev xeeb tub yog nyob rau hauv ib qhov luaj li cas, tab sis yog muaj dej txaus, los yog lwm yam, cov dej muaj peev xwm hloov tau los ntawm ib txoj kev los sis lwm qhov.
Lub tsho me nyuam, tom qab tus me nyuam yug, hnyav txog 700 grams, ntxiv rau cov ntshav uas tsis tau yug me nyuam yog li ntawm ib nrab litre. Yog tias muaj ntshav los hauv lub cev, uas tsis tas yuav tsum tau txhab ntshav, qhov no yuav cuam tshuam rau plumbing tag nrho.
Nyob hauv tag nrho, tag nrho cov ploj kilograms yuav tsum tsawg kawg yog tsib, los yog ntau tshaj. Qee tus poj niam hauv kev ua haujlwm nrhiav tau ib qhov hnyav ntawm 6 lossis ntau tshaj ntawm kg. Qhov no tuaj yeem tshwm sim tau yog tias tus poj niam cev xeeb tub twb o tuaj - pom los yog nkaum thiab
Yog li, tuaj tos ib lub cev rau ib qho kev rho tawm ntawm pawg menyuam mos, leej twg sau txog 10 kg, suav tau "hnyav ua ntej" cev xeeb tub, vim nws yuav tawm hauv tsev kho mob tsawg kawg 5 kg.
Tab sis cov poj niam uas tau hnyav hnyav heev (ntawm 20 los sis ntau tshaj) yuav tsum npaj kom tshem tawm qhov hnav khaub ncaws uas lawv hnav thaum cev xeeb tub, vim poob ntawm 5-7 kg yuav tsis cuam tshuam tag nrho qhov hnyav ntawm leej niam hauv kev yug menyuam.