Ziyini amawele e-dichorionic?
Ngesikhathi sokukhulelwa kwamabili , isichazamazwi sisetshenziselwa ukuhlukanisa nokuchaza ukuthi lezi zingane zikhona kanjani esibelethweni. Ngomntwana oyedwa (ngezinye izikhathi obizwa ngokuthi i-singleton), kunomntwana oyedwa, ovalwe esikhwameni esisodwa se-amniotic esakhiwe yi-chorion eyodwa futhi esekelwe i-placenta eyodwa. Kodwa ngamawele, kungaba khona izinhlanganisela ezihlukahlukene. Kungase kube khona i- placentas eyodwa noma amabili, amasaka amabili noma amabili amniotic, nomunye owodwa noma amabili.
Imigomo njenge-dichorionic noma i-monochorionic isetshenziselwa ukukhomba nokuchaza amawele bese ubhekisela ngokuqondile kwinani lama-chorions, noma amabili (eyodwa ngomntwana) noma eyodwa eyabelwe yizingane zombili.
Iyini iKhoriyoni?
I-chorion yi-membrane yangaphandle yesikhwama samamniotic esigcwele amanzi osizungeze ingane e-utero. Amawele amabili athola amaqoqo ahlukene aphethwe yi-chorions amabili ahlolwe njengama-dichorionic. Isiqalo "di" sibonisa ezimbili. Zonke izindizagotic, noma izihlobo, amawele ziyi-dichorionic. Amanye amawele e-monozygotic (afanayo) angase abe dichorionic. Amawele e-dichorionic anama-placentas amabili, nakuba ngezinye izikhathi ama-placentas angahlangana ndawonye. Amawele amabili e-dichorionic abuye achazwe ngokuthi i-diamniotic, ngoba isisindo ngasinye se-amniotic sinomlenze wangaphandle. Ngezinye izikhathi amawele e-dichorionic achazwa ngokuthi ama-dichorionic-diamniotic, noma ama-"Di-Di" amawele.
Ingabe amawele e-Dichorionic ajwayelekile noma awethu?
Amawele e-dichorionic angaba amaqabane noma afanayo.
Imigomo yesayense yokuchaza uhlobo lwe-twin noma i- zygosity , i-monozygotic (efana) noma i-dizygotic (i-fraternal). Amawele e-Dizygotic, afane nama-zygote amabili ahlukene, azohlala ekhula ngokuhlukana, nama-placentas amabili, ama-sacs, nama-chorions. Wonke amawele omndeni angama-dichorionic. Amawele e-Monozygotic, ayenzeka uma i-zygote eyodwa ihlukaniswa kabili, ingabuye ibe dichorionic, kuye ngokuthi isikhathi sokuhlukaniswa.
Uma kusencane, kungakapheli izinsuku ezimbalwa emva kokukhulelwa, ama-blastocysts amabili ahlukene azofaka ngokuzimela, okwenza amawele e-dichorionic-diamniotic (di-di). Amaphesenti angu-30 kuphela amawele e-monozygotic awela kulolu hlobo.
Uma amawele ehlonishwa njenge-dichorionic, akunakwenzeka ukucacisa ukungena kwawo futhi athi ngokucacile ukuthi afana noma ahlobene. Ukuhlolwa okuqhubekayo, njengokuhlaziywa kwe-DNA, kuzodingeka ukuzimisela. Abazali abaningi baqondiswa ngephutha ukuthi amawele abo angabalingani ngoba beyi-dichorionic, kodwa lokho akunjalo nje.
Ngesikhathi sokukhulelwa, ukukhubazeka kuhlolwa ngokusebenzisa i-ultrasound. I-albographer ihlola izingqimba ze-placenta nezitho zomzimba ukuze zibonise i-membrane enamandla ebusweni ngalinye, okubonisa ukuthi i-chorion. Ekuqaleni kokukhulelwa, ku-trimester yokuqala, kuzobonakala ngokucacile njengezikhwama ezimbili ezihlukene nge-membrane enamandla phakathi kwabo. Kamuva, e-trimester yesibili, kungaba yinkinga enkulu ekunqumeni ukugula, ikakhulukazi uma ama-placenta amabili ehlangene ndawonye futhi ebonakala njengenhlangano eyodwa. Uma kungenakwenzeka ukuthola ukunakekelwa ngesikhathi sokukhulelwa, ukuhlaziywa kwe-placenta ngemuva kokulethwa kunganikeza impendulo.
Imithombo:
Fox, Traci B. "Ukukhulelwa Okuningi: Ukunquma Ukuzikhethela Nama-Amnionicity." Amaphepha Ezobuchwepheshe Zama-Radiologic Sciences University of Thomas Jefferson University. Kufinyelelwe kuJulayi 27, 2015. http://jdc.jefferson.edu/cgi/viewcontent.cgi?article=1000&context=rsfp
UMoise, Kenneth J., no-Argotti, uPedro S. "Ukubaluleka kokunquma ukukhubazeka kwamawele amabili." I-OB / GYN ye-Contemporary. Kufinyelelwe ngoJulayi 27, 2015. http://contemporaryobgyn.modernmedicine.com/contemporary-obgyn/news/modernmedicine/modern-medicine-feature-articles/importance-determining-chori?page=full
Al Riyami, Nihal, Al-Rusheidi, Asamaa, Al-Khabori, Murtadha. Umphumela we-Perinatal we-Monochorionic ngokuqhathaniswa ne-Dichorionic Twin Pregnancies. "Oman Medical Journal. , Meyi 28, 2013, iphe. 173.
Morgan, Matt A. noRadswiki et. al. "Dichorionic diaminiotic twin ukukhulelwa." Radiopaedia.org. Kufinyelelwe kuJulayi 27, 2015. http://radiopaedia.org/articles/dichorionic-diamniotic-twin-pregnancy
Trop, u-Isabelle. "Kubonisa ukufanekisa: Isibonakaliso seTwin Peak." I-Radiological Society yaseNyakatho Melika. Kufinyelelwe kuJulayi 27, 2015. http://pubs.rsna.org/doi/full/10.1148/radiology.220.1.r01jl1468