Wake wake wezwa amawele ahlukaniswe njenge-dizygotic noma i-multizygotic? Kungase kuzwakale njengehlobo oluthile lwesifo esiyinkinga, kepha i-dizygotic empeleni iyinkulumo yesayense yokuchaza into oyifunayo ngaphambili ... amawele womfowabo . Ukuzonda kuyindlela yokuchaza ukuthi amawele abumba kanjani.
Ifomu le-Dizygotic Twins Form?
Amawele angama-dizygotic avela emaqanda amabili ahlukene ahlonywe izidalwa ezimbili ezihlukene.
(Di = 2, zygotic = zygote) Ezimweni eziningi, owesifazane ukhulula iqanda elilodwa, noma i-ovum, kusuka kuma-ovari akhe ngesikhathi somjikelezo we-ovulation. Kodwa ngezinye izikhathi, ngezizathu ezihlukahlukene, amaqanda amaningi akhishwa emjikelezweni. Uma ukulala ngokobulili noma insemination kwenzeka futhi amaqanda azaliswa, izimpande zingabangela. Amawele e-Dizygotic ayenzeka uma amaqanda amabili ehlonyiswa yi-sperm amabili, efakela esibelethweni, futhi ahlakule abe ama-fetus amabili. Igama elithi multizygotic lingabuye lichaze amawele amabili, kanye nezinye iziphindaphindi, njengezintathu, ama-quadruplets, ama-quintuplets noma ngaphezulu. Ivele ihlukanise izimpande ezivela ezihlahleni ezihlukile, ngokungafani nezimpande ze- monozygotic ezifomayo kusuka eqenjini elilodwa elikhulelwe elihlukaniswayo.
Yini Ebangela Amadonsa Adayzygotic?
Ngokungafani ne-twinning ye-monozygotic, okungaqondakali, kunezimbangela eziningi ze-twinning dizygotic. Ekugcineni, zonke zingalandelwa emuva kwesinye isici esibangela owesifazane ukuba afake ama-hyperovulate, noma akhulule amaqanda angaphezulu kweyodwa emjikelezweni.
Abanye besifazane banenhlanhla yokukwenza njalo, mhlawumbe ngenxa yesimo sezakhi zofuzo . Abanye bangenza kanjalo ngenxa yamathonya e-hormonal. Mhlawumbe bancelisa , bathatha izidakamizwa zokuzala , noma bavele bayeka ukuthatha amaphilisi okulawula ukubeletha. Abesifazane asebekhulile bangase baxhumane njengoba imizimba yabo iholela ekuqedeni kokuya esikhathini.
Kunezinye izincazelo eziningi, kuhlanganise nokudla, ubuhlanga, ukukhuluphala nomlando womndeni.
Ungayitshela Kanjani Uma Amawele Ayisifo Sezinyosi?
Ungase ucabange ukuthi ungatshela ukuthi amawele angama-dizygotic esekelwe ukuthi abukeka kanjani. Ngokuvamile bacatshangwa ukuthi amawele afanayo (monozygotic) abukeka ngendlela efanayo lapho amawele asondelene (ama-dizygotic) engenzi. Noma kunjalo, lokho akulona iqiniso ngokuphelele, njengoba kukhona okungafani kuzo zombili izingqimba. Amanye amawele e-monozygotic abukeka afana ngokuphawulekayo, kodwa amanye angaboni okufanayo. Ngokufanayo, amanye amawele angama-dizygotic anesimo esifanayo, kanti abanye abenzi.
Amawele angama-dizygotic ahlanganyela ngokufanayo okuphathelene nezakhi zofuzo njenganoma yikuphi abanye abantakwethu, njengoba bethola isigamu seDNA yabo evela kumama wabo nengxenye kubaba wabo. Ngokujwayelekile, bangabantu abangaba ngu-50 abafuzo ngokwezakhi zofuzo. Njengeminye imindeni ibonisa izici zomzimba ezivamile, amanye amawele angama-dizygotic azoba nezinto ezivamile. Wake wakezwa abantu bethi, "Ubheka sengathi udadewabo wenza ngaleso sikhathi!"? Amawele angama-dizygotic ayinhloko yezingane zakudala; bangaqhathaniswa ohlangothini ngalunye ngomzuzwana ofanayo ngesikhathi, lapho izingane zakwa-singleton zifanele zithembele ezithombeni noma ezinkumbulo zokufaniswa kweminyaka efanayo.
Kunezindlela ezithile zokusungula ukuqinisekisa ukuthi amawele angama-dizygotic.
- Uma bengumfana nentombazane - BANQAKHELEKILE isifo sokuzibulala ( ngehlukile okungavamile)
- Uma banezinhlobo ezehlukene zegazi - zi- DEFINITELY dizygotic
- Uma kukhona i-placenta eyodwa - yi- PROBABLY NOT dizygotic
- Uma kukhona ama-placentas amabili - angaba yisifo se-dizygotic, kodwa angase abe monozygotic
- Uma kukhona i-monochorionic - AKUSI-dizygotic
- Uma ngabe i- monoamniotic - ayifanelekile ukuthi ayi-dizygotic
- Uma zibukeka ngendlela efanayo - ZINGABE zibe yi-dizygotic
- Uma ukuhlaziywa kwe-DNA kwembula ukungezwani kwamakaki - BAZABAHLULWA ukuthi kukhona okwesimo esibucayi
- Uma ukuhlaziywa kwe-DNA kwembula izimpawu ezihambelana kakhulu - AKUSI-dizygotic
Amawele e-dizygotic angaba abafana, amantombazane noma omunye wabo ngamunye.
Wonke amawele amantombazane / amantombazane angamawele angama-dizygotic, ahlukile okungajwayelekile. Ziyinto engavamile kangangokuthi umuntu ovamile akanakwenzeka ukuba ahlangane nabo.
Kungenzeka ukuthi kunqume ukuthi amawele angama-dizygotic ngesikhathi sokukhulelwa, kodwa ngezinye izikhathi ayinakuqinisekiswa kuze kube sekuzalweni. Abantu abaningi-kufaka phakathi ochwepheshe bezokwelapha-bacabanga ukuthi amawele ayesifo esibucayi uma e-sacs ehlukene futhi enama-placentas amabili ahlukene, noma kunjalo, akunjalo ngaso sonke isikhathi. Ngezinye izikhathi, nge-ultrasound noma ukuhlolwa okunye, izinkomba zingasiza ekutholeni ukungabi nhlobo, okufana nobulili obuhlukile noma uhlobo oluhlukile lwegazi. Kodwa kaningi, uma kungekho ukuhlukaniswa okunjalo, ukuhlolwa kwe-DNA kuyindlela enembile kakhulu yokuqinisekisa ukuthi amawele angama-dizygotic.
> Imithombo:
Ukwenziwa kwamawele. Uhlelo lwezempilo lweYunivesithi yasePennsylvania. I-Penn Medicine Medical Animation Library. http://www.pennmedicine.org/encyclopedia/em_DisplayAnimation.aspx?gcid=000058&ptid=17
> Martin, Joyce A., Hamilton, Brady E., Osterman, Michelle JK, Curtin, Sally C., noMathews, TJ "Ukuzalwa: Idatha Yokugcina ka-2013." Imibiko kaZwelonke yeVital Statistics , ngoJanuwari 15, 2015, Umq. 64, No. 1.
> I-American College of Izidakamizwa Nezazi ZamaGynecologists, "Ukuba Namawele." http://www.acog.org/-/media/For-Patients/faq092.pdf?dmc=1&ts=20150722T1445578407