Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Hanyar wucewa: Rh factor, wanda aka fi sani da Rh D antigen, antigen ne da aka samo a kan jajayen ƙwayoyin jini; mutanen da suke Rh-positive (Rh +) suna da wannan antigen a kan jajayen ƙwayoyin jini kuma mutanen da suke Rh-negative (Rh<unk>) ba su da shi. A lokacin haihuwar al'ada, raunin haihuwa ko kuma rikitarwa a lokacin ciki, jini daga tayin zai iya shiga cikin uwar. A cikin yanayin mahaifiyar da ba ta dace da Rh- da jariri ba, haɗuwa da jini na iya sa mahaifiyar Rh- ta ji daɗi ga antigen Rh akan ƙwayoyin jini na Rh + na yaro, yana sanya ragowar ciki, da duk wani ciki na gaba, a cikin haɗarin cutar hemolytic na jariri.Rho ((D) immunoglobulin antibodies na musamman ne ga antigen na RhD na ɗan adam. Ana ba da kwayoyin anti-RhD a matsayin wani ɓangare na tsarin kulawa na haihuwa don hana ƙwarewar da zai iya faruwa lokacin da mahaifiyar Rh-negative tana da tayin Rh-positive. Jiyya na uwa tare da anti-RhD antibodies kafin da kuma nan da nan bayan rauni da haihuwa yana lalata Rh antigen a cikin tsarin uwa daga tayin. Yana da mahimmanci a lura cewa wannan yana faruwa kafin antigen zai iya motsa ƙwayoyin B na mahaifa don "tuna" antigen Rh ta hanyar samar da ƙwayoyin B na ƙwaƙwalwar ajiya. Saboda haka, tsarin garkuwar jikinta ba zai samar da kwayoyin anti-Rh ba, kuma ba zai kai hari ga antigens na Rh na yanzu ko jarirai na gaba ba. Rho(D) Maganin Immunoglobulin yana hana ƙwarewar da zai iya haifar da cutar Rh, amma baya hana ko magance cutar da kanta.  Tambaya: Menene antigen na Rh yake samarwa?
Kwayoyin ƙwaƙwalwar ajiya B