Masu bincike na Prenatal sun gwada jarrabawa da yawa, hanyoyi da dama wadanda ke ba da damar gane rashin ganewa ta nakasa a cikin tayin (Down syndrome, Edwards syndrome, ƙananan ƙarancin kwakwalwa) da kuma nazarin tsarin jikinsa da kayan da ke kewaye. Tabbas, mafi daidaitattun ma'aunin su ne, mafi yawan abin da aka sani. Saboda haka, don irin wannan binciken, kana buƙatar juya zuwa ga masu sana'a na gaskiya don taimako. Wani irin "'ya'yan itace" shine wannan, nunawa, da kuma yadda aka yi amfani da shi za ku koyi cikin labarin a kan batun "Zane-zane, gwajin gwajin".
Bisa ga shawarwari na Ƙungiyar Lafiya ta Duniya, alamun nuna irin wannan binciken na iya zama dalilai masu yawa:
- cututtuka a cikin iyali nan da nan;
- akalla guda biyu sunyi haɗari a kan ka'idoji;
- canza kwayar cuta, cututtuka na kyamaro (misali, hepatitis, rubella, herpes, cytomegalovirus);
- shekarun ta tsawon shekaru 35-39;
- bayyanar radiation ko wasu cututtuka masu illa ga ɗaya daga cikin ma'aurata kafin zuwan.
Amma, ba jagorancin nazari da duban dan tayi ba, ko ma sakamakonsu na ƙarshe, yana nufin cewa ilimin lissafi zai ci gaba. Alal misali, dangane da shekaru, kididdiga na lissafin kishiyar. Yayinda aka kwatanta da hoto mai kyau na ciki, yiwuwar matsala ta kara ƙaruwa. Sabili da haka kula da tsarin jin dadin ku kuma ku daidaita zuwa haihuwar jaririn lafiya.
Menene aka haɗa a cikin binciken?
An gyara shi na tsawon mako 10-13 na ciki. Idan aka kwatanta da irin wannan binciken a karo na biyu, za'ayi la'akari dashi mafi kyau, tare da mafi yawan adadin sakamako na ƙarya. Tare da taimakon tsarin kwamfutarka na musamman wanda ke ba ka damar lissafin haɗarin haɗarin ƙananan halayen nakasar chromosomal na ciwon tayi, bisa ga sakamakon binciken gwajin jini na mace da duban dan tayi, masana sun gwada yanayin karami. Duk manipulations take kawai 2-2.5 hours. A lokacin duban dan tayi, likita za ta ƙayyade kuma shigar da tambayoyin girman girman gurasar daga coccyx zuwa kambi (CTE), da kauri daga cikin mahaɗin sararin samaniya - ƙuƙwarar ƙuƙwalwa, wuri na tarawa na ruwa mai zurfi (TBP). Wadannan sigogi zasu ba da damar ƙayyade yadda za a iya yiwuwa lokacin ƙaddamarwa, ɗaukar ciki da nau'inta, wanda yana da mahimmanci don lura da kyau irin wannan ciki, da kuma alamomi na nuna yiwuwar cin zarafin tayi. An shigar da dukkanin bayanai a cikin tambayoyin kuma ana la'akari da su a ƙididdigar ƙari. Samun sakamakon duban dan tayi, zaka iya ba da jini. Kayan gwaje-gwaje na gwaje-gwaje na Biochemical suna gudanar da kwararru don la'akari da alamun wadannan alamun:
- Beta mai amfani da ƙananan ƙwayoyin gonadotropin (beta-hCG). Wannan ɗayan na musamman yana ƙayyade ainihin halitta da immunoreactive na hCG - hormone ta ciki na musamman wanda ke haifar da kwayoyin halitta (embryo shell).
- takamaiman albarkatun whey A (PA-PP-A), sun hada da kafawar kare lafiyar mahaifa, da kuma ci gaban ƙwayar. Don aiwatar da sakamakon gwajin jini da duban dan tayi, likita na buƙatar cikakken bayani game da matar.
Nauyin jiki, da kwayoyi da aka dauka, ko ta sha taba kafin ciki - duk wannan da wasu bayanan da aka dauka a cikin lissafin farko na farko. Bayan samun cikakkun bayanai game da jihar mahaifiyar da jaririn, malamin halitta zai bada shawarwari. Yanzu mun san abin da ake nunawa a kai, sakamakon binciken ya nuna duk abin da ya fi dacewa.