Nzvimbo imwe chete yakarurama ye fetus mubereki, yakapiwa naamai-chimiro, ndiyo nzvimbo yakatarisa, iyo inosangana nemucheche uye mutsara wechibereko chinowirirana. Mune mamiriro ezvinhu, kuberekwa kunowanzoitika, uye kusagadzikana kwakanyanya, kwemaviri uye mwana achangoberekwa.
Zvichakadaro, mu 0,5-0,7% yemhosva, vanachiremba vakawana nzvimbo isina kururama ye fetus mumukomana wemamangwana amai. Kwenguva refu, mukadzi angave asingatombozivi nezvemamiriro ezvinhu aya, nokuti haakanganisi nguva yekuzvitakura.
Zvinokwanisika zvisingaiti zvisizvo zvemucheche
Nzvimbo isina kunaka ye fetus inogona kuchinja, iyo inosangana nevana remangwana inofanirana nemukati wechipfuva, uye oblique, umo mitsetse iyi inofungidzira inoumba yakananga kumativi ekutenderera.
Kazhinji kazhinji mumamiriro ezvinhu apo ganda rinotora chinzvimbo chisina kusimba mumimba yaamai, chirongwa chakarongeka chechikamu chekudzivirirwa chinoshandiswa pakuendesa kwake. Mukuwedzera, dambudziko iri rinomiririra dambudziko rakakomba mumamiriro ekutanga kwekuberekwa kusati kwaitika. Kana mukadzi ane pamuviri asingagamuchiri rubatsiro rwechiremba panguva yakakodzera, zvinokonzera kukanganisa, zvakadai sokurasikirwa kwemuviri wemwana, kurasikirwa kwekufamba, kurasikirwa kweropa zvakanyanya kana kuparara kwechibereko. Panyaya iyi, amai vane ramangwana vane chirwere chakadai vasati vapinda muchipatara mune dhipatimendi rekuberekwa kwechipatara chekuberekwa.
Taura nezvenzvimbo yemucheche mudumbu raamai kusvika kwemavhiki makumi matatu nematatu ekudzivirira hazvirevi, nokuti mwana achiri muduku uye asingatauri kuenda kune uterine cavity, achichinja maitiro ake kazhinji pazuva. Muchikamu chechitatu chekutarisira mwana, chiremba anogona kuziva
Izvi zvinoreva kuti mwana akarara musoro kumuromo wechibereko, asi musana wayo unenge uchida. Mumamiriro ezvinhu aya, zvakakosha kuita zvidzidzo zvakanakisisa uye kupfeka bhanhire, zvisinei kuti michero inogona kutendeuka nenzira isina kunaka uye pakupedzisira inotora oblique kana nzvimbo inotenderera.
Vanaamai vakawanda munguva yemberi vari kushamisika kuti vanganzwisisa sei nzvimbo yemucheche muchibereko. Kuti uite izvi, zvakakosha kunzwa chironda nemaoko, asi pane zvinonetsa kuita, kunyanya kana zvichida ye polyhydramnios nezvimwe zvinhu.