Shirya matsala

Nuna allon kwayar halitta yana daya daga cikin hanyoyin da za a gwada mata masu juna biyu, tare da damar gano yiwuwar mummunan hauka na tayin, ko alamun da ba a kai tsaye ba. Ana la'akari da daya daga cikin hanyoyin bincike na mafi sauƙi, mai lafiya da kuma ilimi game da iyayen mata. Binciken yana nufin wadanda aka yi nazari da yawa, wato, ga dukan mata masu ciki ba tare da banda.

Binciken ya ƙunshi abubuwa biyu:

1. Rahoton nazarin kwayoyin halittu - bincike game da jinin jini na mahaifiyar don ƙayyade wasu takamaiman abubuwa da ke nuna alamun da ke ciki.
2. Ƙwararrun jarrabawa na tayin.

Nuna nazarin tartomy yana daya daga cikin muhimman abubuwan da ba su da muhimmanci, amma an bada shawarar cewa idan mahaifiyar gaba ta wuce shekaru 35, idan an haifi yara da cututtuka ta iyali a cikin iyali, kuma idan akwai nauyin kaya. Wannan bincike yana taimaka wajen gano haɗarin, wato, yiwuwar haihuwar jariri tare da cutar Edwards (cututtuka 18 chromosomes - ɓarna da yawa na jikin ciki da na waje, satar jiki), cutar ta Down (trisomy 21 chromosomes) spine), ciwon Patau (ƙananan ƙwayoyin cuta 13 - cututtuka mai tsanani na gabobin ciki da na waje, ƙyama).

Gudun kalma na farko don 1 trimester

A farkon farkon watanni uku, ana gudanar da jarrabawa a lokacin shekaru 10-14 da kuma zai iya sanin ko ci gaban tayin ya dace da lokaci, ko akwai mahaifiyar juna, ko jariri yana tasowa akai-akai. A wannan lokaci, ƙwararru na 13, 18 da 21. Ana likita likitan dan tayi daidai da abin da ake kira collar sarari (yankin da ruwa yake tarawa a cikin wuyan wuyansa a tsakanin launin laushi da fata) don tabbatar da cewa babu wani abu mai banƙyama a ci gaba da yaro. An kwatanta sakamakon duban dan tayi da sakamakon binciken jini na mace (matakin da ake ciki na hormone da RAPP-A sunadarai). An kwatanta irin wannan kwatanta ta amfani da shirin kwamfuta wanda yake la'akari da halaye na mutum mai ciki.

Binciken gwaninta don 2th trimester

A karo na biyu na uku (a makonni 16 zuwa 20), ana yin gwajin jini a kan AFP, hCG da kyauta na kyauta, kuma ana amfani da duban dan tayi na tayin kuma an yi la'akari da haɗarin tayi na 18 da 21. Idan akwai dalili na yarda cewa wani abu ba daidai ba ne da jariri, sa'an nan kuma an ba da jagorancin kwakwalwa da ke tattare da suturar mahaifa da kuma tarin ruwan amniotic da jini tayi, amma a cikin 1-2% na lokuta irin wadannan hanyoyin ne dalilin hadarin ciki da kuma mutuwar yaro.

A cikin uku na uku, a makonni 32-34, an yi amfani da duban dan tayi don manufar gano abubuwan da ke fama da rashin lafiya.