Kuyini a twin yisinanakazana?

kombungu esizalweni zenzeka kakhulu. Zingaba ezahlukene kakhulu. Ezinye zazo akuzona eziyingozi noma ngendlela elimazayo. Abanye kubhekwe impela ngisho aluhambisani nawo ekuphileni. Omunye anomalies kwentuthuko okubizwa ngokuthi twin yisinanakazana. Lesi simo esiyingqayizivele sibangelwa kukalutshwana kakhulu, ngakho lo mshini ukuthuthukiswa yawo ayiqondakali ngokuphelele. Lokhu anomaly akugcini nje uzwakalise isici yezimonyo, kodwa futhi ukwazi ukulimaza kakhulu impilo womntwana. Ngakho-ke, kubalulekile ukuba ngesikhathi esifanele ukuxilonga lesi simanga yingozi. Ukwelashwa nokuvikelwa isici singesabo surgically kuphela.

Kuyini a twin-izimuncagazi?

Lesi simo esiyingqayizivele sibangelwa, njengoba twin yisinanakazana, kuphela ezitholakala kaningana. Ngakho umbungu okhula ngayo esihlalweni ingane futhi ezakhiwe sokuhlukanisa olulodwa iseli - zygote. Enye igama le nkinga - izithelo izithelo. Imvamisa anomalies enjalo - 1 osanda kuzalwa 500 ayizinkulungwane. Lesi simo esiyingqayizivele sibangelwa kucatshangwa ukuthi kwande kwabesilisa. Isilinganiso abafana namantombazana abanokuhlangenwe twin yisinanakazana, - 1.3: 1. Ngenxa yalokho, division obungafanele omunye fetus ukuthuthukiswa nuclei kwakhiwa akuyona ngokuphelele, kodwa kancane kuphela. Ngenxa yalokho, babutha izingcezwana eziyizinsalela, mzimba wakhe futhi izibilini iyahlanganiswa nge izithelo egcwele.

Ngenxa yokuthi ukuhlukumeza ubukeka scary, lezi zingane ngokuthi izidalwa ezisesimweni sokuguquka kanye izilo. abantu Njengoba abangafundile ukuchaza le nkulumo mkhuba "osanda kuzalwa abaye bakhulelwa." Eqinisweni, izingane le nkinga ijwayelekile futhi abanalo kwezinso chromosomal. Isidingo ukuqeda amagciwane kwenzeka ngaso sonke isikhathi. Lokhu kuyadingeka kuphela ezimweni lapho ephawulwe ukungakhuli imisebenzi ebalulekile.

Kungani ukuthuthukisa izithelo izithelo?

Wonke umuntu uyazi lo mkhuba amawele Siamese. Kuwo, abantu ababili tho ndawonye inqubo kahle kwengane esiswini. Omunye ezihlukahlukene anomalies enjalo kukhona Siamese twins-izimuncagazi. Bakha kusaqalwa okukhulelwa uma kukhona uqhekeko kwamangqamuzana nezicubu ithebhu. Ezimweni eziningi, le nkinga kungatholakala ngesikhathi ultrasound wokuqala we-fetus. Isizathu esikhulu salokhu anomaly - a malformation kohlelo semithambo umbungu. Isitho, ongagcini nje ekukhulelweni ekuseni - yolk sac - kukhona anastomoses eziningi, ngokuvamile akufanele kube. Ngenxa yalokho, omunye izithelo engalali liningi igazi nabongci ezikhulayo. Njengoba i-fetus lwesibili khathi siyaqhubeka sikhula ngendlela evamile, it kwandisa ngobukhulu futhi, njengoba zidla umbungu engaphelele.

Indawo twin-amagciwane emzimbeni wengane

Indawo-amagciwane emzimbeni umbungu twins evamile kungaba ezahlukene. Ngokuvamile, kuba ngaphakathi komgodi ongaphakathi kwamathumbu. Futhi, kukhona amacala ukwakha twins izimuncagazi esifubeni, ngisho ebuchosheni. Ngezinye izikhathi ingxenye engaphelele umbungu bangaphandle ngalo ingaphakathi lomzimba. Base eniqhubeka nimkhiphela kusukela nomzimba wengane evamile. Lungabonakala le nqunu iso twin yisinanakazana e esiswini, emhlane, nokunye. D. Naphezu kweqiniso lokuthi kule zokugula isithombe esibi, kaningi kakhulu ingane ingekho enye kwezinso futhi enempilo. Ngezinye izikhathi umbungu engaphelele kuyinto ekujuleni komgodi ongaphakathi kwamathumbu futhi ivale emathunjini kanye nezinye izitho. Ngakho-ke, lingatholakala kakade lapho usukhulile.

Yini ebangela blinetsy izimuncagazi?

Naphezu kweqiniso lokuthi kule izigaba sokuqala sokukhulelwa emile njengesiqondiso ngisho oneqhaza twin yisinanakazana akuyona umbungu iphila. Ukuthuthukiswa Its kuyaphazamiseka 3 ngesonto. Ngakho-ke, akazange abe nesikhathi ukwakha ngokugcwele. Ngokuvamile, kuphela iziqalo ambalwa nezitho zomzimba ukuthuthukisa e-embryo-izimuncagazi. Medulla kanye izitho zangaphakathi ngokuvamile engekho. Kwezinye izimo, wathola nakhululwa ezifundisweni zokucathula ithambo, ephansi noma engenhla nasemilenzeni. Noma kunjalo, lihlotshaniswa umbungu evamile ngokusebenzisa imithambo yegazi. Ngemva ukumuncwa umbungu eyeka ekuthuthukiseni amagciwane futhi kungaba kuphela isisindo. Ngenxa yokuthi igazi ligeleze Kwenziwa umbungu onesici, umbungu evamile angakwazi ukubekezelela anoxia. Imiphumela iba yinhlanganisela yokukhandleka reverse perfusion lwemithambo syndrome. Uma amagciwane buyaqhubeka isisindo, kungaba yingozi empilweni yezingane. Ezinganeni nale anomaly ngokuvamile kwegazi esingamahlalakhona syndrome, noma yokumelwa yinhliziyo.

Twins-izimuncagazi: amacala emlandweni wezwe

Ukubukeka izithelo izithelo kuyinto engavamile, Nokho, kunobufakazi ezimweni eziningana owaziwa. Lesi simo esiyingqayizivele sibangelwa elaqala ukutholwa ekuqaleni kwekhulu le-19. Okwamanje, lesi simanga ngomshini ultrasound ezinyangeni zokuqala zokukhulelwa. Izigameko zokushona twins-izimuncagazi emzimbeni zitholakala emhlabeni wonke. Nazi izibonelo: a umfana esuka ePeru (ngesikhathi ukusebenza ingane eneminyaka engu-3 ubudala), intombazane eneminyaka engu-9 ubudala waseGrisi. amacala afanayo alotshwa India. Phakathi kwabo - a twin-ukuthola amagciwane emzimbeni indoda eneminyaka engu-36 ubudala.

Indlela ukuqeda izithelo izithelo?

Ukwelashwa yokuphambana kungenzeka kuphela ngezindlela wokusebenza. Ngokuvamile, ukuhlinzwa likuvumela ukuthi ususe ngokuphelele isithelo amagciwane. Ukusebenza luyindida futhi has izingozi. Ngakho-ke, bazimisa kuphela uma kunesidingo, uma amagciwane uyingozi ukuphila. Futhi, ungakwazi ukususa izithelo, uma unamahlangothi encane futhi hhayi exhunywe izitho ezibalulekile kakhulu futhi imithambo yegazi. echazwe ukusebenza kule izincwadi zezokwelapha ezisekelwe ekwazisweni, aphethwe e-India (2005), eyathatha amahora 27.