Nws tsis muaj qhov zais cia tias tib neeg cov ntshav tuaj yeem koom nrog ib ntawm plaub pawg. Lawv tau txiav txim siab caj ces thiab tau pw thaum ntxov li lub lim tiam thib tsib ntawm kev loj hlob ntawm embryo, tom qab ntawd lawv tsis hloov mus thoob lub neej. Qhov kev faib tawm no yog nyob ntawm qhov muaj cov tshuaj tiv thaiv kab mob thiab cov tshuaj tiv thaiv kab mob hauv cov ntshav. Lawv qhov sib xyaw ua ke thiab qhov sib piv txiav txim siab ib tus neeg hom ntshav. Thaum txiav txim siab cov ntshav, muaj cov tshuaj tiv thaiv (A thiab B) thiab cov tshuaj tiv thaiv (alpha thiab beta) raug coj mus rau hauv tus account. Feem ntau yog thawj pawg ntshav, uas kuj yog universal, i.e. haum rau txhua qhov kev hloov pauv. Tab sis tsis ntev los no, Lub Tsev Haujlwm Saib Xyuas Kev Noj Qab Haus Huv ntawm Lavxias Federation tau txwv tsis pub txhaj tshuaj yog tias cov pab pawg tsis sib xws. Yog li, cov xwm txheej ntawm tus kheej yuav tsum tau ua kom tau raws li qhov muaj peev xwm ntawm kev hloov pauv, txawm tias cov ntshav ntawm thawj pab pawg thoob ntiaj teb.
Tsis tas li ntawd, tib neeg cov ntshav muaj cov yam ntxwv zoo li Rh yam. Nws tuaj yeem yog qhov tsis zoo thiab qhov zoo. Rhesus yog ib qho protein uas pom nyob rau saum npoo ntawm cov qe ntshav liab. Ib hom ntshav tsis zoo yog qhov txawv ntawm qhov tsis muaj protein ntau, uas tsis yog txhais tau tiaskab mob. Nws yog ib tug feature ntawm cov ntshav. Rh-positive ntshav, ntawm qhov tsis sib xws, muaj cov protein no hauv nws cov muaj pes tsawg leeg. Nws yog ib qho tseem ceeb heev uas yuav tsum coj mus rau hauv tus account Rh yam rau kev hloov ntshav. Piv txwv li, yog tias tus neeg mob muaj thawj hom ntshav tsis zoo, nws yuav tsum tsis txhob hloov nrog thawj Rh-positive. Qhov no yog fraught nrog Rh tsis sib haum, uas tuaj yeem ua rau tus neeg mob hnyav dua, thiab tsis pab nws. Thiab txawm coj mus rau txoj kev tuag. Muab hais tias tsuas muaj li ntawm 15% ntawm cov neeg Rh-negative nyob rau hauv lub ntiaj teb no, thawj hom ntshav tsis zoo yog qhov tsawg ntawm lawv.
Kev ntshav, nws yog qhov zoo tshaj plaws los siv cov ntshav ntawm cov kwv tij tom ntej, vim nws zoo sib xws hauv kev sib xyaw, tshwj xeeb tshaj yog thaum nws los txog rau pawg thawj tsis tshua muaj tshwm sim.
Kev cev xeeb tub thiab yug menyuam hauv cov poj niam.
Muaj qhov ua tau tias thawj hom ntshav tsis zoo tuaj yeem ua rau muaj teeb meem rau cov poj niam thaum cev xeeb tub. Qhov no yog vim qhov tshwm sim ntawm Rh tsis sib haum xeeb vim muaj qhov zoo Rh hauv fetus. Tab sis qhov no tsuas yog ua tau nrog qhov zoo Rh yam nyob rau hauv leej txiv ntawm tus me nyuam, uas tau txais txiaj ntsig thiab tus me nyuam. Tab sis txawm nyob rau hauv cov xwm txheej zoo li no, cov tshuaj niaj hnub muaj peev xwm tiv taus. Nws tsuas yog ib qho tseem ceeb kom ua tiav tag nrho cov txheej txheem tsim nyog raws sijhawm. Yog tias leej txiv ntawm tus menyuam kuj muaj qhov tsis zoo Rh, ces qhov kev xeeb tub yuav tsis txawv ntawm cov niam Rh-zoo. Txwv tsis pub, thawj pawg ntshav tsis zoo tsis muaj contraindications rau cev xeeb tub thiab yug menyuam. Nws kuj yuav zoo yog tias ib tug neegcov neeg txheeb ze uas tib cov ntshav yuav nyob rau ntawm "kev ceeb toom kev sib ntaus sib tua" yog tias cov ntshav poob loj hauv cov poj niam hauv kev ua haujlwm, txhawm rau kom muaj peev xwm pub ntshav sai sai lossis nws cov ntsiab lus.
Nws yog ib qho tseem ceeb rau txhua tus neeg kom paub lawv hom ntshav thiab Rh, txhawm rau qhia rau kws kho mob yog tias tsim nyog. Qee tus txawm sau ntawv tshwj xeeb hauv phau ntawv hla tebchaws, uas yuav pab kom tsis txhob nkim sijhawm ntawm kev tshuaj xyuas thaum muaj xwm txheej ceev.
