Yintoni eyenza ukuzalwa kwamawele?

Oomama abaninzi banomdla kulo mbuzo woluphi uhlobo olumisela into efana nokuzalwa kwamawele. Emva koko, ukuba kwizizukulwana ezidlulileyo kwakukho amawele, ke amathuba okukhulelwa abantwana ababini kubasetyhini abanjalo, kwaye kakhulu kakhulu.

Ngubani amawele?

Njengoko kuyaziwa, ukusuka kwindawo yokujonga kwe-embryology, amawele emzimbeni kamama azalwe ngeendlela ezimbini.

Ngoko, kulawo matyala xa kwinqanaba lokuqala lokukhulelwa kukho ukwahlula kweqanda ibe ngamahafu omabini, okubizwa ngokuba ngamawele afanayo azalwa. Ubuninzi bezinto ezikhoyo kubantwana abafana nama-25% kuwo onke amawele azalwa. Abantwana abanjalo banomlinganiselo ofanayo we-chromosome kwaye ke ngoko bafana kunye, kwaye ngaphezu koko - banesini esisodwa.

Ukuba ekukhulelwe kwakukho ukuchumisa amaqanda ama-2 kanye, ke kukho iwele ezimbini ezifanayo. Iintsana ezinjalo ziyahlukahlukana, kwaye zihlala zinezohlukeneyo zesini.

Ziziphi izinto ezikhulisa amathuba okuzalwa kwamawele?

Kukho izinto ezininzi ezichaphazela ukuzalwa kwabantwana ababini kwangoko. Nangona kunjalo, abanye babo abazange bafundwe ngokupheleleyo.

Ngoko, into ebalulekileyo ekuchaphazelekeni kokuzalwa kwabantwana aba-2 yinto ebalulekileyo yokuzalwa. Kuqinisekiswa ngokwesayensi ukuba ukuzalwa kwamawele kuzuze ilifa. Kwafunyaniswa ukuba le nxalenye yezixhobo zendalo zidluliselwa kuphela kumgca wesifazane. Kwiimeko apho umfazi, umzekelo, ugogo wentombazana eceba ukukhulelwa, amawele, kukho ukuphakama okuphezulu kokuzalwa kwamawele emva kwesizukulwana.

Ukongeza kwimiba yokuzalwa kwemfuza, kwafunyanwa ukuba ukubonakala kubantwana babini kwangoko kuthintela inyaniso yokuba iminyaka yobufazi. Kungenxa yokuba ukuba inani leeminyaka lihlala likhula, ukuphazamiseka kwama-hormonal kwandisa. Ngoko, ngenxa yenguqu kwimvelaphi ye-hormonal, ukuphuculwa kwemveliso yamagciwane ngamnye, ukuvuthwa kwee-oocytes eziningana kunokwenzeka ngokukhawuleza. Kungoko, ngokuphindaphindiweyo, abantwana ababini bazalwa nabasetyhini abaneminyaka engaphezu kwama-35 ubudala.

Kwakhona, kukho iimeko xa abafazi emva kokuthatha ixesha elide lokusetyenziswa kweziyobisi ze-hormonal ezichazwe ukungabi nantoni, bekhulelwe waza wazala abantwana aba-2 kanyekanye.

Ukuba sithetha ngeempawu zomzimba zomzimba wesifazana, ithuba lokuzala amawele liphezulu kulawo mabhinqa anemizuzu emfutshane yokuya esikhathini, elilingana neentsuku ezingama-20-21.

Ukongezelela koku ngasentla, ngokwemibare, ukuzalwa kwamawele kudlalwa rhoqo ngenxa ye-IVF. Le nyaniso ichazwa yinyaniso yokuba ekuphunyezweni kwenkqubo efanayo, amaqanda amaninzi afakelwe ukufakelwa kwisisu.

Yintoni enye echaphazela ukuzalwa kwamawele?

Impembelelo ngokukhawuleza ekuzalweni kwamawele kwaye inexesha, ngokuchanekileyo, ixesha lokukhanya. Kwindlela yokuhlalutya kwafunyaniswa ukuba ubude bokuba kubonakala kubantwana abango-2 kwangoko kwanda kunye nokwanda kwimihla. Iintsana ezinjalo zivame ukubonakala kwixesha lehlobo lasehlobo. Kule meko, ukulungelelaniswa akusekwa, kodwa inyaniso ihlala.

Ngaloo ndlela, ukuzalwa kwamawele kuthathwa ngokukhawuleza kwiimeko ezininzi. Ngelo xesha, abaninzi babo abaxhomekeke kwintando yowesifazane kunye nendoda. Ngoko ke, kungakhathaliseki ukuba abazali bebengenako kwaye bazange bazame ukukhulelwa ngamawele, akukho amandla abo. Kwiimeko ezinjalo, oomama abanomdla kunye nabazali bayayibona le nto njengesipho esivela ngasentla. Nangona kunjalo, ku funeka kuqatshelwe ukuba phambi kwezinto ezininzi (i-genetic predisposition, physiology, ubudala), amathuba okuzalwa kwamawele atyuka kakhulu.