Tus menyuam nyob ntawm 35 lub lis piam gestation
Txawm tias muaj tseeb tias tus me nyuam yuav luag npaj rau hnub yug, nws txoj kev loj hlob tseem yog. Txhua txhua hnub, qhov tshwm sim ntawm cov kab txaij tuaj ze ntawm nws yuav ua li cas tom qab yug me nyuam.
Tus me nyuam twb loj txaus lawm thiab me ntsis chaw ua rau nws, yog li qhov kev hloov qis qis dua . Tom qab 35 lub lis piam tas ntawm lub cev xeeb tub, qhov hnyav ntawm lub fetus hloov ntawm 2.3-2.7 kg, thiab qhov loj hlob tuaj txog 47 cm. ntsuam xyuas lawv cov kev sib raug zoo, thiab tseem piv cov ntaub ntawv ntawm cov kev tshawb fawb dhau los.
Yog hais tias ib tug poj niam npaj kom muaj tus menyuam yug los, ces qhov hnyav ntawm txhua tus menyuam hauv 35 lub limtiam uas cev xeeb tub yuav muaj li ntawm 2.3 kg lossis tsawg dua, thiab qhov siab yuav txawv ntawm 42 thiab 45 cm.
Tam sim no yog cov khoom noj uas rog subcutaneous khov, tshwj xeeb tshaj yog nyob rau ntawm lub xub pwg thiab lub cev ntawm tus me nyuam. Nws lub ntsej muag yog sib npaug, angularity disappears, creases pib tshwm. Yog li, ib qho ntawm cov dej num tseem ceeb ntawm theem no yog qhov txuam nrog cov ntaub so ntswg adipose, as Well as nqaij nqaij. Nyob rau ntawm 35 lub lim tiam ntawm cev xeeb tub, qhov hnyav ntawm tus me nyuam nce li ntawm 30 g.
Tus menyuam hnyav npaum li cas ntawm ntau yam:
- lub luag haujlwm tseem ceeb yog ua los ntawm lub neej;
- tseem yuav muaj kev cuam tshuam cov peculiarities ntawm kev noj haus ntawm lub neej tom ntej;
- txoj kev ntawm lub neej thiab kev muaj cov cwj pwm phem kuj tseem ceeb;
Qhov hnyav ntawm fetus tom 35 lub lim piam muaj kev ntxim rau seb qhov kev xeeb tub tau nce li cas, thiab cov kab mob sib kis ntawm leej niam.
Kuj yog xeeb tub ib txwm saib xyuas txog seb lawv hnyav npaum li cas. Tom qab tag nrho, cov ntaub ntawv no yog tas kev txaus siab rau tus kws kho mob ntawm txhua qhov kev txais tos. Ib tug poj niam muaj peev xwm nce los ntawm lub sij hawm no nyob rau hauv lub cev 11-13 kg. Lub sij hawm no, koj yuav tsum tsis txhob teem caij tsis tau tawm, tab sis koj tsis tuaj yeem noj tshuaj. Nws yog ib qhov tsim nyog los noj feem ntau, tab sis nyob rau hauv me me feem, kom tsis txhob qab zib, kib. Yog tias tus kws kho mob tsis pom tej yam tsis haum xeeb, ces koj tuaj yeem mus kawm cov chav kawm tshwj xeeb rau cov poj niam cev xeeb tub kom haum thiab npaj rau kev yug me nyuam.