Uhlolo lokuqala luyenzeka njani ngexesha lokukhulelwa kwaye luquka ntoni na?
Ngaphambi kokuthetha ngendlela ukuhlolwa kwenzelwa ngabafazi abakhulelweyo, kufuneka kuqatshelwe ukuba uphando lokuqala luquka ukuhlalutya kwegazi kunye ne-ultrasound.
Injongo yocwaningo lwebhubhoratri ukuchonga izifo zokuqala zemizimba, kuquka i-Edwards syndrome kunye ne-Down's syndrome. Ukungabandakanyi izikhalazo ezinjalo, ukuxubusha kwezinto ezinjalo ze-biological njenge-subunit yamahhala ye-hCG kunye ne-PAPP-A (iprotheni ehambelana ne-A) ihlolwe. Ukuba sithetha ngendlela le nqanaba yokuhlola iqhutyelwa ngayo ngexesha lokukhulelwa, ngoko umfazi okhulelwe ahlukanga kuhlalutyo oluqhelekileyo - umnikelo wegazi kwi-vein.
I-Ultrasound ekuhlolweni kokuqala ngexesha lokukhulelwa lwenziwa ngenjongo:
- ukuzimisela kobunzima bekhola indawo - isixa semithombo engaphantsi komgca eqokelela phezu kwentamo yomntwana;
- ixesha elichanekileyo lokuthatha isisu;
- ukuseka inani lezitho zomntwana kwisisu.
Uvavanyo lwesibini luyenziwe njani ngexesha lokukhulelwa?
Ukuhlaziywa kwakhona kuqhutyelwa kwangoko kwiiveki ezi-16 ukuya kwe-18. Kubizwa ngokuba luvavanyo lwesithathu kwaye luquka:
- ukusekwa kwezinga leHCG okanye i-subunit yamahhala yeHCG egazini;
- ukuzimisela kwinqanaba le-alpha-fetoprotein (AFP);
- ukubeka i-esriol yamahhala (E3).
Ukufunda okunjalo, njengendlela yokujonga ukukhulelwa kwe-ultrasound, kwenziwa okwesibini kwiiveki 20. Ngalesi xesha, ugqirha unokufumanisa iindidi ezahlukeneyo zokungahambi kakuhle, iimpazamo ezinobungakanani obuchanekileyo bokuchaneka.
Ngaloo ndlela, kufuneka kuthethwe ukuba zombini ukuhlolwa kufuneka kwenziwe ngexesha lokukhulelwa. Oku kusenza sikwazi ukubona ukuphulwa okungenzeka kunye nokungaqhelekanga kokuphuhliswa komntwana kwisigaba sokuqala sokwenziwa komzimba omncinci.