Toarkui (帶膭 pregnancy (mammals)) si buo ee chixlefng toxngbut teq svithvoax (reproduction) ee 1-ee kikafn, uix siuxzefng (fertilisation) ee texngnng (zygote) ti svikviar-te (zwkiofng) tiauky (implant) khaisie, kaux kaq lixkhuy svikviafte kietsog. Jinlui toarkui høxzøx uxsyn.