Kubyitegererezo, umwanya wambere ni iminsi 7. Kubyara ubwisanzure, umwanya wambere ni iminsi 20-30 nyuma yo kubona ubwishyu. Ibihe byateganijwe bihinduka neza mugihe (1) dufite
yakiriye kubitsa, kandi (2) dufite icyemezo cya nyuma kubicuruzwa byawe. Niba ibihe byacu bikakora hamwe nigihe ntarengwa cyawe, nyamuneka jya hejuru y'ibisabwa ukoresheje kugurisha. Muri byose
Imanza tuzagerageza kwakira ibyo ukeneye. Mubihe byinshi turashobora kubikora.