Igihombo cya sisitemu yo kwishima kiragabanuka kandi imikorere iratera imbere;igipimo cyuzuye cyo kuzigama ingufu ni 10-50%.
Amashanyarazi ashimishije hamwe no gutanga amashanyarazi araruhuka, imiterere iroroshye kandi imikorere ni iyo kwizerwa.
Isi idasanzwe ya moteri ihoraho ya moteri irahuzagurika muburyo, ntoya mubunini n'umucyo muburemere;shingiro igabanywa nubunini bwa 1-2.
Ingano n'imiterere ya moteri iroroshye kandi iratandukanye;kugena ibintu bidasanzwe birashoboka.