<prompt> Yimuphi umbuzo othi: Umjikelezo ophansi we-pelvis encane awuhambisani kahle; isikhala esivalelwe yiwo sibizwa ngokuthi i-aperture engezansi noma i-pelvic outlet.? Isihloko siwukuthi i-pelvic outlet.  <response>: iyini imingcele yomgudu wesibeletho? 