Pono ia e hāʻawi i ke koko mai ka'ōpū a hele i kahi kūkākūkā e pili ana i ka weheweheʻana i ka hōʻikeʻana o nā meaola lāʻau i hanaʻia i ka 2nd o ka mahina, ma kahi o kahi keʻena i loaʻa ai ka hoʻopukaʻana, no ka mea, he likeʻole nā hopena i nā hale likeʻole.
ʻAʻole iʻike nā kānaka a pau ka nānāʻana i nā meaola lāʻau i kaʻelua o nā makahiki he pono aʻaʻole hiki i ke kauka ke hoʻoulu i ka wahine hāpai e hele i laila ināʻaʻoleʻo ia e noʻonoʻo pono. Eia hou, ua ukuʻia ka ho'āʻoʻekolu no nā hormones.
He aha ka manaʻo o ka hōʻikeʻana i ka hoʻopiʻiʻelua?
I mea eʻike ai i nā meaʻino o ka hoʻouluʻana o ka hānal, ua hoʻoholoʻia heʻekolu mau ho'āʻoʻana,ʻo ia hoʻi, ua laweʻia ke koko no ia mau hormones:
- ʻO Alfafetorothein.
- ʻO ka gonadotropin chorionic kanaka.
- Free estriol.
No ka loaʻaʻana oʻekolu mau'āpana o ka ho'āʻoʻana, ua kapaʻia heʻekolu,ʻoiaiʻo kekahi mau hale liʻiliʻi e nānā pono iʻelua mau hōʻailona - AFP a me hCG.
Nā papahana o ka hōʻikeʻana o nā mea kanu o ka lāʻelua
E like me ka mea i'ōlelo muaʻia, he mau papa likeʻole nā papahana hoʻolālā likeʻole, a no laila, he mea kūpono ke kamaʻilio wale i ka hoʻololiʻana o kēia mau huahelu. Pēlā,ʻo ka hoʻonuiʻana i 2 MoH hCG hōʻike i ka huahelu nui a iʻole Down syndrome,ʻo ka emiʻana o 0.5 MM e hōʻike ana i ka pilikia o nā malformations nui (Edwards syndrome).
ʻO ka helu AFP no ka manawa o 18-20 mau wiki he 15-100 nā'āpana, aiʻole 0.5-2 Mom. Inā he kuhiʻana i ke kūlana maʻamau i ka'ōkuhi liʻiliʻi, a laila, hiki ke loaʻa ka maʻi Down syndrome a me nā syndwards o Edwards.
Nānā o ka'enehene kūʻokoʻa - mai ka 0.5 a 2 MM,ʻo ka hoʻololiʻiaʻana mai ia mea e pili ana:
- he kape haʻahaʻa -ʻo nā syndromes o Edwards a Down;
- piʻi kiʻekiʻe - hua nui-hua, puʻupuʻu nui, ate a me nā maʻi hōki.
ʻO ke kūlana o ka estriol ka hopena o ka laweʻana i nā lāʻau lapaʻau,ʻo nā homoni a me nā lāʻau'alopelo. Pono pono e kūkala e pili ana iā ia ma mua o ka hanaʻana i nā kānana.