Iqumrhu elibaluleke kakhulu kumntwana ongakazalwa engakabikho ukukhulelwa yi-placenta. Eli qumrhu lizalelwe kwisibeletho kuphela emva kokuchumisa. Kwaye sele isiqingatha seyure emva kokuzalwa i-placenta ishiya isibeleko.
I-placenta, okanye kwindawo yabantu abaqhelekileyo, inondla umntwana nge-oksijeni, izondlo, ibonakalisa iimveliso eziphazamisayo, kwaye yenza umsebenzi okhuselekileyo, ukhusela umntwana kwiintsholongwane ezahlukeneyo kunye nezinto ezinobuthi ezingayifumana kumama ukuya kwisibeleko.
I-placenta ihamba ngendlela yemfundo, ukukhula nokuguga. Kwinqanaba lokuqala i-placenta ibizwa ngokuba yi-chorion, kwaye sele sele inyangeni yesibini yenziwa kwi-placenta. Ewonke, amazinga amane okukhula kwepentecenta ayahlukaniswa ngeiveki : 0, I, II, no-III.
Yingakho kuyo yonke i- ultrasound ye-fetus ye-fetus igqirha ugqirha ngokucophelela i-placenta kwaye inquma umlinganiselo wokukhula kwayo. Emva koko, isondlo somntwana, ukuphuhliswa kwayo kunye nempilo yayo kuxhomekeke kuyo.
Ukukhula kwe-placenta 0
Ngokuqhelekileyo, isantya sokukhula kwipentecenta sinokufikelela kwiiveki ezingama-30. Le meko ye-placenta ibonisa ukuba eli lilungu elibalulekileyo lomntwana liqhuba yonke imisebenzi yalo kwaye linokukhusela ngokubanzi kunokwenzeka.
Kwinqanaba lokukhula kwe-placenta 0 eli lilungu linesakhiwo esifanayo kwaye likwinqanaba lokuqala lophuhliso lwayo.
Nangona kunjalo, kokubili ukuguga kwangaphambi kwe-placenta kunye nokulibaziseka kokukhula kwesi sigaba esibalulekileyo kuyingozi. Emva koko, ngokukhula komntwana, i-placenta iyakhula, kwaye ukuba ingatshintshi kuze kube seveki yama-34, oogqirha benza oko kuxilongwa ngokuthi "ukutshatyalaliswa kwexesha elide". Ngethamsanqa, le nto yinto eqhelekileyo. Abasetyhini abaneengxaki zesifo sikashukela okanye abanemveliso eyahlukileyo ye-Rh kunye ne-fetus, bangabomngcipheko, kwaye oku kuphuhliswa kweplascenta kungabonisa ukuba kukho ukungabikho kwemiphumo ekuveliseni umntwana.
Kodwa into ephambili kumama ngexesha lokukhulelwa akuyi kuxhalaba, oogqirha banokwenza iimpazamo baze bafake i-diagnostic engalunganga. Kwangathi ukukhulelwa kwakho kunye nokubeletha akuyi kukudanisa.