I-Bilateral choanal atresia yimeko engumngcipheko omkhulu kubomi bomntwana kuba kaloku uyakusuka angakwazi kuphefumla ngokupheleleyo emva kokuba ezelwe njengoko iimveku zizalwa zinyanzelekileyo ukuba ziphefumle ngeempumlo (ziphefumla ngeempumlo kuphela). Kwezinye iimeko, oku kuvela njengokuxinana kweempumlo imfuxane namanye amazwi, ebonakala ngakumbi xa umntwana encanciswa, kuba indlela ehamba umoya ivalwe lulwimi, ize ithi indlela le inciphe ngakumbi umoya ungabi nakuhamba. Oku kuxinana ke kungangcono xa elila umntwana, kuba kaloku kulapho umoya ohamba ngomlomo usetyenziswa ngalo lonke ixesha. Ezi mveku zingancedwa ngothi zithi zigqitywa nje ukuzalwa zibe sele zixhaswa ngomoya.