Ingabe Uyazi Ngempela Uma Amawele Akho Ayingqayizivele?
Ingabe amawele akho afana noma ahlobene? Uqinisekile? Mhlawumbe unomsolo ngokusekelwe ekuboneni kwakho, noma mhlawumbe waziswa ngudokotela wakho ngesikhathi ukhulelwe noma ngemuva nje kokuzalwa. Kodwa isifundo sathola ukuthi cishe amaphesenti angu-15 yabazali ayengacatshangwa ngokuphathelene nobuhlungu bezingane zabo zamaduna. Ezingxenyeni eziningi, abazali babetjela ngephutha amawele abo afana nawo.
Lokho imiphumela akuyona into emangalisayo. Kukhona okuningi okungaqondakali ngokuphathelene nobuqili , hhayi nje kubantu abaningi. Nakuba abantu abaningi bedidekile ngokuthi yiziphi amawele afana nalabo abathandekayo, ngisho namawele amabili nabazali bawo abaqondi kahle izisekelo ze-twintype. Futhi nakakhulu nakakhulu ... abanye odokotela benza iphutha ukwenza imicabango engalungile mayelana nendlela yokuhlukanisa phakathi kwamawele e-monozygotic nama-dizygotic.
Iyini i-Zygosity
Iningi labantu lijwayele imigomo efana nobudlelwane , esetshenziselwa ukuchaza izinhlobo zamawele. Bacabanga ukuthi amawele abukeka afanayo afana, futhi amawele angewona abafowabo. Kodwa i-twin hlobo empeleni iyisigaba syygosity futhi ichazwa ukuthi amawele afana kanjani, hhayi ngokuthi abukeka kanjani.
Ifomu le-Monozygotic ifomu lapho iqanda elilodwa elikhulelwe lihlukaniswa, okuholela ekuthuthukiseni imibungu emibili noma ngaphezulu. Ngenxa yokuthi zivela esitokisini samaseli afanayo, laba bantu bane-DNA efanayo futhi ngokuvamile babe nokubonakala okubonakalayo okubonakalayo ngokomzimba.
Yingakho aziwa ngokuthi amawele afanayo. Kodwa ukubukeka akukona nje ngokusekelwe ezimeni zobunikazi; Amawele afanayo awafaneli abukeke ngendlela efanayo. (Thola ukuthi kungani amawele afanayo ahlukile .)
Ukuphindaphindiwe kwama-dizygotic noma ama-multizygotic yizinto eziyingqayizivele ezenzeka lapho amaqanda amaningi ekhulelwa futhi ekhula.
Ifa lazo zofuzo lifana nanoma yikuphi abantakwethu, abane-50% ye-DNA yabo efanayo. Bangase babheke ngendlela efanayo, ngendlela efanayo ukuthi izingane zakubo zithandana. Noma, bangase babonakale behluke ngokuphelele. Zivame ukubizwa ngokuthi amawele okuzalwa noma ama-multiples.
Indlela Yokukwazi Ngokweqiniso
Indlela kuphela yokuthola ukungabi nalutho ngokuqinisekisiwe ukuhlolwa kwe-DNA. I-Monozygotic - noma amawele amabili noma ama-multiples azoba mdlalo ophelele, kuyilapho izimpande zomoya ezinamandla zizobe zikhona kodwa kunezinye izinkomba ezenzekayo ezinganikeza ubufakazi obucacile. Lezi zimpawu zingabonakala kwi-ultrasound ngesikhathi sokukhulelwa, noma zivezwe maduzane ngemva kokubeletha ngesikhathi kuhlolwa i-placenta.
Ngesikhathi sokukhulelwa, izimpande zeqanda ezikhuliswe embelethweni. Njengoba amasonto ethuthuka, i- placenta iqala odongeni lwesisu somama ukuze londle ingane. Ngaphezu kwalokho, le-fetus iqukethe i- amnion , isikhwama samanzi. Amawele e-Monozygotic angahlanganyela nge-placenta, noma ngisho ne-amnion, kuye ngokuthi iqanda lihlukana kanjani ngemuva kokukhulelwe. Ekuqaleni ukuthi iqanda lihlukanisa, kancane kancane izingane zizohlanganyela esibelethweni; ama-25% amawele e-monozygotic akhula ngamasaka ahlukile, ane-placentas amabili. Kodwa uma iqanda lihlukana ngokuhamba kwesikhathi, phakathi kwezinsuku ezingu-4 kuya kwezingu-8 emva kokukhulelwe, abantwana bangabelana nge-placenta, i- chorion (i-membrane yangaphandle ye-sac amniotic) noma i-amnion (i-membrane yangaphakathi ye-sac amniotic).
Ngezinye izikhathi i- ultrasound scan ngesikhathi sokukhulelwa inikeza ukuqonda ukuthi amawele angama-monozygotic noma i-dizygotic. Uma kubonakala ku-ultrasound ukuthi kune-placenta eyodwa, kungaphetha ngokuthi yi-monozygotic - efanayo. Noma kunjalo, ukuba khona kwama-placentas amabili akusho ukuthi kuqinisiwe; kokubili amawele e-monozygotic kanye namawele angama-dizygotic angabonakala nge-placentas amabili. Ngeshwa, odokotela abaningi bacabanga ngendlela engafanele ukuthi ama-placentas amabili abonisa amawele angama-dizygotic. Ucwaningo lwango-2004 lwathola ukuthi odokotela abangaphezu kuka-80% bakholelwa ukuthi amawele anama-placentas amabili ayengumfowabo. Abazali abacabanga ukuthi amawele abo bangabangane abaxhomeke kuloluhlobo lwemininingwane engalungile evela kumhlinzeki wabo wezokwelapha bangase basetshenziswe kabi.
Okwenza Kubalulekile
Kubantu abaningi, ukucacisa ubugovu kumane nje kuyinkinga yokwanelisa ilukuluku. Amawele angase afune ukuqinisekisa isiqalo sabo, noma abazali bangase bafise ukunikeza impendulo enembile kumbuzo ovamile. Kodwa kwezinye izimo, ukusungula i-zygosity kunganikeza ukucaca okucacile ezinqumweni zezokwelapha, njengokungathi kwenzeka isilwane noma ukufakelwa kwezicubu.