Tus txheej txheem ntawm kev xeeb tub yog li cas?
Ua ntej no, peb piav qhia txog cov txheej txheem ntawm lub tswv yim yuav ua li cas. Qhov loj tshaj plaws uas yuav tshwm sim yog ib lub rooj sib tham ntawm cov phev thiab qe. Nws tuaj yeem tshwm sim nyob rau hauv lub tsev menyuam, lub plab menyuam mos los yog hauv plab kab plab 4-72 xuab moos tom qab kev sib deev. Nws tau tshwm sim hais tias ntawm tsheej lab ntawm cov txiv neej hlwb, tsuas yog ib qho (tus lusteb tshaj plaws thiab feem ntau txawb) tau nkag mus rau poj niam txiv neej lub hnab ntawv.
Ntev npaum li cas cov txheej txheem ntawm lub sij hawm tseem ceeb nyob ntawm seb qhov xwm txheej twg. Qhov nruab nrab, cov theem tseem ceeb tshaj plaws tshwm sim hauv lub sij hawm tom qab ua ke tiav:
- tsim ntawm zygote (unicellular embryo) - 20-30 xuab moos;
- cell crushing (txog 3 hnub);
- qhov tsim ntawm ob lo lus ntawm tes hauv lub embryo - los ntawm hnub 4;
- tsim ntawm blastocyst (pob npoo nrog pob ntawm cov pob) - los ntawm 5 hnub ntawm txoj kev loj hlob.
Kwv yees li ntawm 7-10 hnub ntawm kev mus los ntawm txoj hlab ntaws, lub neej yav tom ntej yog txuas nrog phab ntsa ntawm lub uterine, uas yog, implantation yuav siv qhov chaw. Yog tias nws dhau zoo, ces nrog rau qhov siab yuav loj tau 9 lub hlis, ib qho kev sib txuas me me ntawm Leej Niam thiab Leej Txiv yuav tshwm.
Yuav ua le caag txhim khu kev nruam ntej ntawm tug miv nyuas?
Lub tswvyim, i.e. cov txheej txheem ntawm fertilization thiab cov kev ceev ntawm nws cov pib nkaus nyob ntawm lub xeev ntawm kev noj qab haus huv, cov txiv neej thiab cov poj niam. Rau ib tug poj niam nws tseem ceeb heev kom tsis txhob muaj teeb meem ntawm cov keeb kwm hormonal thiab ua tau raws li cov tub ntxhais hluas li sai tau, thiab rau cov txiv neej - muab siab zoo txog qhov mob ntawm cov phev. Rau qhov koj xav tau:
- Taw thiab tshem tawm tej teeb meem kev noj qab haus huv.
- Kom dhau cov tshuaj vitamin kho 30-60 hnub ua ntej lub sijhawm teev "X".
- Tsis txhob siv da dej kub hnyiab, tsis txhob tso koj lub cev rau kev ntxhov siab (nrog rau kev puas siab ntsws).
- Mus noj zaub mov kom zoo, nplua nuj protein, vitamins thiab fiber.
- Pib pib ua txoj kev noj qab haus huv txoj kev noj qab haus huv (txiav kev haus luam yeeb thiab haus dej haus cawv, dhau los ua ntau dua).
Tsis tas li ntawd, nws yog ib qho tseem ceeb rau ib tug txiv neej noj cov khoom noj khoom haus nplua nuj nyob rau hauv zinc , uas yog tseem ceeb heev rau qhov zoo ntawm seminal kua.
Cov kws kho mob kuj qhia tawm kom tsis txhob muaj cov teeb meem ntawm tus me nyuam hnub. Ntev li ntawm qhov "fixation" thaum ntxov ntawm qhov ua tau zoo yog qhov yuav luag txhua qhov teeb meem.