Qee lub sij hawm tom ntej no niam yuav tsum tsis muaj kev xav ntau heev. Yog tias ib tug poj niam cev xeeb tub muaj mob nyob hauv 39 lub lim piam, qhov no yuav yog ib tug me nyuam tub. Thaum cev xeeb tub, ib tug poj niam sawv prostaglandins, uas pab txhawb rau kev loj hlob ntawm lub tsev menyuam. Lawv txuam nrog lub cev, ntxiv rau cov kev hloov hauv lub tsev menyuam nws tus kheej, cuam tshuam rau cov kab mob hauv zej zos, nrog rau cov hnyuv. Thaum ib tug poj niam mob hauv 39 lub lis piam gestation, qhov no yuav qhia tau tias lub ncauj tsev menyuam qhib .
Yog tias tus poj niam cev xeeb tub nws ntuav hauv 39 lub lim piam ntawm cev xeeb tub, mus ntsib kws kho mob yuav tsis loj heev. Tsuas yog ib tus kws paub tshwj xeeb tuaj yeem txiav txim seb qhov teeb meem no tshwm sim li cas. Nws tuaj yeem tsis yog hloov kev xeeb tub xwb, tab sis kuj mob plab hnyuv.
Ib qho mob thaum lub taub hau tsaus muag ntawm 39 lub lim tiam ntawm kev qoj tes taw, ntshav siab tau tsa, qhov muag tsis pom, qhov muag tshwm "ua ntej qhov muag" thiab, thaum tseem ntuav thiab ntuav, koj yuav tsum tau mus ntsib kws kho mob sai sai. Tej zaum nws yuav yog cov cim qhia ntawm tus mob uas nws yuav tsum tau ua kom tuaj yeem ua kom tiav.
Tsis muaj zog ntawm 39 lub lis piam gestation
Lub lim tiam dhau los ntawm cev xeeb tub feem ntau yog nrog kev xav tsis zoo , tus poj niam muaj peev xwm raug mob ntawm nws kev tsis ntseeg siab.
Kev noj haus ntawm 39 lub lis piam gestation
Thaum peb caug-cuaj lub lim tiam ntawm cev xeeb tub, kev ua haujlwm pib thaum twg los xij, yog li khoom noj khoom haus yuav tsum yog qhov tseem ceeb. Ua ntej, koj yuav tsum tau noj zaub mov me me, tiam sis txaus sijhawm (6-7) ib hnub. Koj yuav tsum haus cov vitamins, proteins thiab carbohydrates. Tshem tawm ntawm cov khoom noj uas ua rau ua xua, nws tuaj yeem cuam tshuam rau tus me nyuam noj qab haus huv.