Emasontweni ambalwa okuqala wokukhulelwa, i-placenta encane ivame ukubizwa ngokuthi i-chorion, ebalulekile ekuthuthukiseni ingane ngokuphelele. Ngokuvamile, i-placenta ifakwe ngaphansi kwesibindi noma udonga olungemuva. Kodwa ngezinye izikhathi i-chorion ivimbela i-pharynx ngokuphelele noma ingxenye, ihlezi phansi engxenyeni engezansi. Kulesi simo, khuluma ngethulo le-chorion .
Ingozi ye-chorion iphrezentheshini
Isethulo se-chorion sinqunywa ngeviki 12 ngesikhathi se-ultrasound yokuqala ehleliwe. Kungenzeka ukuthole ukugula esikhathini sangaphambili uma i-ultrasound isenziwa ngesizathu esithile kuze kube amasonto angu-12. Ngalolu cwaningo, owesifazane unikezwa ukuphumula kombhede, ngokuvamile kuvame ukudinga ukunakekelwa esibhedlela ukulawula ukukhulelwa. Enkambeni yokukhula kwamagundane kanye nesisu, i-placenta ivame ukuphakama ibe phezulu, okubhekwa njengentuthuko ehle kakhulu yezenzakalo. Lokhu kubizwa ngokuthi "ukufuduka kwe-placenta". Isibonelo: isethulo se-chorion ngeviki 15 lingase liphele ngokuphelele ngamaviki angu-20-25. Noma yikuphi okunamathiselwe kwe-chorion kuyinhlobonhlobo yesimiso, lapho umntwana etholakala kude no-3 cm ngaphezu kwe-pharynx yangaphakathi.
Ukuqoqwa okuyingxenye ye-pharynx yangaphakathi kwandisa ubungozi bokuphuma kwegazi kanye nokuhlukunyezwa okungahambi kahle. Kodwa ngisho nakulokhu, ngemuva kokuhlolwa ngokucophelela, owesifazane ubhekwa ngaphandle. Uma i-chorion itholakala kakhulu kangangokuthi ivimbela ngokuphelele i-pharynx, khona-ke ekuqaleni kwe-trimester yesithathu yokukhulelwa, noma ngabe uzizwa kahle, kuzodingeka uye esibhedlela. Lokhu kuhlotshaniswa nengozi eyengeziwe yokwakha ukuphazamiseka okuhlabayo okuhlabayo kanye nokwehla okukhulu okwesabisa impilo yowesifazane. Uma kutholakala ukuthi i-pathology, ubukhulu be-chorion bubalwa ngamasonto angu-12 futhi ngaphezulu, okuyi-trimester yokuqala okufanele ilingane (in mm) isikhathi sokubeletha (ngamasonto). Uma isethulo sigcinwa kuze kube sekubelethweni, ingane ivela ekukhanyeni ngesigaba se-cearean,
Izimbangela
Isethulo se-chorion ngeviki 11 livamise kakhulu ngenxa yokuvuvukala okungathí sina, okuvame ukuhambisana nezinkinga emva kokukhipha isisu . Amathisini omzimba awonakele, ngenxa yalokho iqanda alikwazi ukuzinamathisela endaweni engokwenyama kunazo zonke (udonga lwangaphakathi noma olusemva kwesibeletho). Ngaphezu kwalokho, isethulo se-chorion yamaviki angu-12 singenzeka ngenxa yama-myomas amaningi noma isibeletho se-polyps. Ngakho-ke, lapho uhlela ukukhulelwa, kunconywa ukuthi zonke izilonda ezikhona zisuswe.