I-placenta iyinto ebaluleke kakhulu ebusweni, ngoba yenza yonke imisebenzi edingekayo ekuphileni. Ukuvuthwa kwe-placenta akukwazi ukunqunywa ngaphandle kwe-ultrasound.
Ngokukhulelwa okukhulayo, i-placenta yakha ubukhulu bayo futhi yandisa inani lezitsha kulo. Ngesinye isikhathi, umzimba uyayeka ukukhula futhi uqala ukuguga. Kunezinyathelo eziningana zokuvuthwa 'kwendawo yengane,' ngayinye yazo ejwayelekile esikhathini esithile sokubeletha umntwana.
Izigaba zokuvuthwa kwe-placenta ngesonto
Igama elithi "ukuvuthwa kwe-placenta" lisho ukuguqulwa okubonakalayo okwenzeka kuwo, kuye ngokuthi uhlobo lwenkathi yokukhulelwa. Ngakho-ke, kukhona umkhuba othile wezinga lokuvuthwa kwe-placenta, eveza inkambo yokukhulelwa. Futhi ephakeme ngalesi sibalo, yimisebenzi embalwa i-placenta engayenza. Kunezigaba ezine zokuvuthwa kwe-placental, okunye okumele kwenzeke ngesikhathi esithile. Uma i-placenta ivuthwa ngaphambi kwesikhathi, lokhu kungabangela:
- i-hypoxia ye-fetus;
- ukubambezela ukukhula komntwana;
- i-hypotrophy ;
- isisindo sokuzalwa esincane.
Izinga lokuvuthwa kwe-placenta 0 libhekwa ngokujwayelekile kuze kube sekupheleni kweviki lesithathu lokukhulelwa. Inkomba enjalo isho ukuthi umzimba usemncane ukuze kuqinisekiswe ukuthi izidingo ze-fetal zigcwele.
I-placenta yesigaba sesibili sokuvuthwa yisici sokuthi iminyaka yobudala isuke isukela kumama-35 ukuya ku-39. Le nkathi ibhekwa njengendlela ezinzile kunazo zonke, futhi noma ngabe uma usuviki 37 uthola ukuvuthwa kwe-placenta yesilinganiso sesithathu, khona-ke asikho isizathu sokukhathazeka. Kodwa uma kwenzeka ukuhambisana ne-placenta evuthiwe, i-hypoxia ingcono kakhulu eyenziwa yi-CTG ukuze ihlonze i-pathologies futhi iqhube isigaba se-cearean.