Ntshav suav tias yog Rh-null yog tias nws tsis muaj tag nrho ntawm 61 qhov ua tau antigens hauv Rh system. Qhov no tsis tsuas yog ua rau nws tsis tshua muaj, tab sis qhov no kuj txhais tau tias nws tuaj yeem lees txais los ntawm txhua tus neeg uas muaj hom ntshav tsawg hauv Rh system. Qhov no yog vim li cas nws thiaj suav tias yog "cov ntshav kub."
Leej twg muaj ntshav kub?
Cov ntshav kub lossis Rh null pawg tsis muaj Rh antigens (proteins) ntawm cov qe ntshav liab (RBC). Qhov no yog pawg ntshav tsawg tshaj plaws hauv ntiaj teb, nrog tsawg dua 50 tus neeg muaj cov ntshav no. Thawj zaug pom hauv Aboriginal Australians.
3 hom ntshav uas tsawg tshaj plaws yog dab tsi?
Dab tsi yog hom ntshav tsawg tshaj plaws?
- O zoo: 35%
- O tsis zoo: 13%
- A zoo: 30%
- A tsis zoo: 8%
- B zoo: 8%
- B tsis zoo: 2%
- AB positive: 2%
- AB negative: 1%
Nej cov ntshav muaj nuj nqis dab tsi?
Txawm li cas los xij, hauv Tebchaws Meskas, AB-tsis zoo yog suav tias yog hom ntshav tsawg tshaj plaws, thiab O-positive yog qhov ntau tshaj. Lub Tsev Kawm Ntawv Tshuaj Kho Mob Stanford Blood Center tau teev cov ntshav hauv Tebchaws Meskas los ntawm qhov tsawg tshaj plaws mus rau feem ntau raws li hauv qab no: AB-negative (. 6 feem pua)
hom ntshav twg muaj nuj nqis?
Txawm li cas los xij, qhov xav tau O cov ntshav tsis zoo yog qhov siab tshaj vim nws siv ntau zaus thaum muaj xwm txheej ceev. Qhov xav tau O + yog qhov siab vim tias nws yog hom ntshav uas tshwm sim ntau tshaj plaws (37% ntawm cov pejxeem). Tus neeg mob ntshav qab zib thoob ntiaj teb muaj ntshav hom O tsis zoo. Tus neeg pub ntshav plasma universal muaj hom AB ntshav.
