da Mongolian ko shuɗi mai launi (congenital dermal melanocytosis) ya bayyana a cikin wasu jarirai yayin haihuwa ko a makonnin farko na rayuwa. Yana samo sunan "tabon Mongoliya", tunda yana yawan fitowa a cikin Tseren Asiya, Ba'amurke na Indiya, Afirka da Indonesiya. Ya kasance a cikin kashi 90% na jarirai na waɗannan jinsi, a cikin Caucasians kawai yana bayyana cikin 1-5% na shari'o'in, kasancewar ba shi da yawa.
Fatar jaririn ya bayyana da datti tare da shuɗi, shuɗi-kore ko shuɗi mai launin shuɗi, yafi a yankin na baya, gindi, kafadu kuma mafi wuya akan cinyoyi, hannaye ko ƙafa. Yanayinta da girmanta sun banbanta, suna gabatar da gefuna masu yaɗuwa, waɗannan halaye suna sanya su cikin ruɗuwa da hematomas daga haihuwa (raunuka).
Asalinta yana a cikin jari na melanocytes (kwayoyin da ke da alhakin samar da melanin da kariya daga hasken rana a cikin fata). Illar haske akan waɗannan melanocytes ɗin da ake samu a cikin zurfin fata shine abin da ke ba shi wannan launi mai laushi, sakamakon tasirin Tyndall (a wannan zurfin fata ba a nuna launuka ja da rawaya).
Idan yaronmu yana da waɗannan aibobi dole ne mu san cewa yawanci ba su da kyau, Ba su da wata mahimmanci ga lafiyar jaririn kuma za su ɓace kai tsaye a cikin shekarun farko. Abinda aka saba dashi shine ya ɓace kusan shekaru 2, duk da kasancewar shari'oin da zasu iya kaiwa shekaru 9 ko 10. Ya dace koyaushe don tuntuɓar likitan yara, wanda zai tabbatar da kasancewar wannan alamar haihuwa kuma ya tabbatar mana da hakan.
Da zarar ƙwararren masanin kiwon lafiyar yara ya binciko kasancewar waɗannan tabo, babu wani bin diddigin da ya zama dole, tunda kamar yadda muka tattauna, za su ɓace da kansu yayin da yaronmu ya girma.