Yintoni i-placenta eqhelekileyo efakiweyo

Yintoni i-placenta eqhelekileyo efakiweyo

I-placenta lilungu elibalulekileyo ekukhuleni kokukhulelwa. Idibanisa udonga lwesibeleko kwaye ukusuka apho intambo ye-umbilical iqala ukwenzela ukuba kukho isondlo kunye ne-oxygen yomntwana evela kumama. Xa le placenta ibizwa ngokuba yi-normoinsert ibonisa ukuba ibekwe kakuhle kwaye akukho ngxaki kwindaleko yayo.

Imisebenzi emininzi ye-placenta kufuneka yenziwe ikhaka elikhuselayo kwaye leyo yinxalenye enkulu umsebenzi omzimba. Inceda ukuthwala zonke izinto eziyingozi ize izibuyisele egazini likamama ukuze azihluze ezintso. Ikwanayo neminye imisebenzi efana thumela igazi losana, izondlo, iihomoni, neoksijini.

Yintoni i-placenta eqhelekileyo efakiweyo

I-normoinsert placenta yenye leyo iyabumba kwaye ifakwe phezulu, ngaphambili, ngasemva, okanye kwicala lesibeleko. Kubekwe ngobuchule ukuhlala kude nomngxuma wokuphuma okanye kumlomo wesibeleko kwaye kungenzeki ukubeleka komntwana.

Ithiywa ngolu hlobo xa ibonwa ukuba i-placenta ibekwe ngokuchanekileyo kwaye apho ngexesha lokumitha ayibangeli naluphi na uhlobo lweengxaki. Emva kokuba ifakwe kakuhle eludongeni lwesibeleko, i-placenta ayishukumi.

Kukho ezinye iintlobo ze-placenta ezaziwa kobu bukhethekileyo kwaye zibizwa ngamanye amagama:

  • I-placenta praevia: kuxa ibekwe kwindawo engezantsi kwaye ngoko igubungela ukuvuleka komlomo wesibeleko. Kule meko, ukuhanjiswa kufuneka kwenziwe ngecandelo le-caesarean.
  • Inxalenye ye-placenta previa: kule meko i-placenta ikwafumaneka kwindawo esezantsi, kodwa ngokuyinxenye ivalela umlomo wesibeleko. Ukuhanjiswa kunokwenziwa kwakhona ngotyando.
  • I-placenta yokufakelwa okuphantsi: Ifakwe i-2 cm ukusuka emlonyeni wesibeleko.
  • I-placenta praevia ephantsi: i-placenta ibekwe kufuphi nomlomo wesibeleko, kodwa ayiwuvale.

Yintoni i-placenta eqhelekileyo efakiweyo

Ingaba ibekwe phi iplacenta efakwe ngokwesiqhelo?

I-placenta yenziwe ngamacandelo amabini. Enye yi "inxalenye yechorionic" elinye icala likamama kunye nelinye "iplate yebasal" eyinxalenye yombungu. Inxalenye ye-chorionic yenziwe nge-amniotic epithelium kunye ne-conjunctival membrane. Ipleyiti ye-basal yenziwe I-syncytiotrophoblast kunye neentsalela ze-cytotrophoblast.

Phakathi kweepleyiti ezimbini kukho indawo edibeneyo equlethe chorionic villi. Ekuqaleni iqulethe izicubu ze-trophoblastic kwaye kamva iya kuba yi-placenta. Ingaba ibekwe phi le placenta? Ngokubanzi ifunyenwe kwi umva wesibeleko, abanye ibekwe kwindawo esezantsi yesibeleko, ebizwa i-placenta yangaphambili.

Ivela njani i-normoinserta placenta?

I-placenta inezigaba ezininzi zokuziphendukela kwemvelo ngexesha lokukhulelwa. Ngokusebenzisa i-ultrasounds rhoqo unokujonga ukuba amanqanaba abo anjani:

IBakala 0: esi sidanga kulapho i-placenta ikhoyo ngexesha lekota yokuqala yokukhulelwa. I-chorionic plate efunyenwe kufuphi ne-fetus iyafana ne-basal plate efunyenwe kufuphi nesibeleko.


IBakala I: Itholakala kwiveki ye-31. Kubonwa ukuba iplate ye-chorionic iqulethe njani izibalo kwaye ngeli nqanaba i-placenta ayinayo i-homogeneous.

IBakala II: Ukususela kwiveki yama-36 ukuya ekupheleni kokumitha, i-placenta inemilo engaqhelekanga. Kungenxa yediphozithi ye-calcium, kwakhona ngenxa yokuba i-basal layer ihlukaniswe kwi-myometrium kwaye apho i-chorionic layer i-wavy kwaye iyayeka.

IBakala III: kweli nqanaba i-placenta endala kunye ne-calcified sele ibonakala.

Yintoni i-placenta eqhelekileyo efakiweyo

Ukuqhawuka kwangaphambili kwe-placenta

Este Ukuphazamiseka kweplacenta ngokuqhelekileyo kwenzeka malunga neveki ye-20 yokukhulelwa nangaphambi kwekota yesithathu yokukhulelwa. Ngokuqhelekileyo kubonakala ngazo zombini ukopha kwangaphandle, kodwa kwezinye iimeko oku akwenzeki, ekubeni igazi ligcinwa phakathi kweplacenta nesibeleko.

Ngenxa yale nyaniso, kuyacetyiswa ukuba ulandele ukuphumla okupheleleyo ebhedini ukunqanda ukopha. Emva kweentsuku ezimbalwa ungaphinda uqalise umsebenzi oqhelekileyo wemihla ngemihla, kodwa ngokuqaphela. Ukuba ityala liya liphakathi, kunokwenzeka ukuba ukungeniswa esibhedlele


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