Kuvela kanjani ukuphila kabili?
Amawele amabili angama-mono- ne-dizygotic. Owokuqala njengamaconsi amabili amanzi afana nomunye futhi ahlakulele lapho ehlukanisa iqanda elilodwa, ehlwanyelwa umuthi ofanayo. Zomi zombili izitho zangasese zikhona esithombeni esisodwa esisodwa futhi zibe ne-placenta eyodwa kokubili. Amawele anjalo angowesilisa ofanayo, futhi kaningi abafana.
Amawele angama-dizygotic, noma amawele, avela ngokukhulelwa kwamaqanda amabili nge-spermatozoa. Ngaphezu kwalokho, ukukhulelwe akukhona njalo ngosuku olulodwa futhi elinye lamawele lingase libe nezinsuku ezimbalwa ezindala kunomunye. Amaseli e-egg angaba kusuka ku-ovary eyodwa noma kokubili. Ukucabanga okunjalo kwenzeka ngokungajwayelekile futhi kwenzeka kuphela kumacala angu-2%. Ukukhulelwa kusukela ekukhulelwe kuze kube yilapho ukuzalwa kwebambisene elinjalo kubhekene nezinkinga eziningi.
Akubona wonke umuntu owaziyo, kodwa njengoba lolu hlobo locwaningo lubonakala, njenge-ultrasound, kwakungenzeka ukuthola ukuthi ukukhulelwa kabili kwenzeka kaningi kunokuzalwa okufanayo . Okokuthi, owesifazane ukhulelwa izingane ezimbili, kodwa esiteji sokuqala sokuthuthukiswa (ngokuvamile ku-trimester yokuqala) enye yezibili ziyeka ukuthuthukisa futhi ingane eyodwa kuphela izalwa.
Lokhu kungathathwa uma kuhlolwa kwenziwa emavikini angu-5-8 nangemva kwesikhathi esithile. I-ultrasound yokuqala ibonisa ngokucacile amaqanda amabili e-fetal, bese-ke, noma iphela ngokuphelele, noma iyeka ukuthuthukiswa. Ukuthuthukiswa kwengane yesibili kusukela ekukhulelwe kuze kube sekuzalweni kuyenzeka ngokusho kokukhulelwa okukodwa.
Izinkinga zokukhulelwa okuningi
Ama-double, noma amawele angama-dizygotic anama-blister ehlukene e-fetal ne-placenta, awaxhomeki komunye nomunye futhi angaphazamisi nentuthuko. Kodwa-ke, umama, owathokozela injabulo kabili, unzima kabili njengokungathi ukukhulelwa okukodwa. I-Toxicosis, izinkinga zokukhukhumeza, ukugqithisa ngokweqile, izinso nezinso zesinqotshwa ukunqoba owesifazane okhulelwe kabili kaningi, kanti nokuphila kusukela ekukhulelweni kuze kube sekuzalweni kwezinsana kunzima kakhulu, futhi ngezinye izikhathi ngisho nangengozini empilweni yomama.
Isimo esifanayo sikulindele umama wamawele omzimba we-monozygotic. Kodwa lapha, ngaphezu kwenkinga yokuthwala, kunzima ukuvela ngokuthuthukiswa komunye wababili. Njengomthetho, umehluko phakathi kwesisindo phakathi kwezinsana kufika ku-kilogram eyodwa nengxenye, lapho ingane encane igxila emva kwazo zonke izinkomba ezivela kumdala.
Lokhu kubangelwa ukuthi izingane ezisuka kwelinye i-placenta zidla, futhi ezithatha kakhulu izakhi eziningi kakhulu. Ngaphezu kwalokho, kukhona umqondo walokho okubizwa ngokuthi umnikelo, lapho elinye lamawele liqala ukondla futhi likhule ngenca yesibili.