Tare da taimakon duban dan tayi daga kwanan nan kwanan nan, iyayen da ke gaba ba za su iya gani kawai ba ne kawai da kuma launi na kwaskwarima a kan allon mai saka idanu (duban dan tayi na 3D), amma kuma gano fuskokinta da ƙungiyoyi a ainihin lokacin (4D ultrasound). Hakika, aikin duban dan tayi, a matsayin hanya mai lafiya na ganewar asali, yana da yawa fiye da fahimtar uwar tare da jariri kafin zuwan. A lokacin haihuwa, yana da muhimmanci don ƙayyade cikin ciki, tantance yanayin tayin, gano ƙwayoyinta na ci gaba, saka idanu akan aiwatar da hanyoyi masu ɓarna (amniocentesis, chopionic biopsy, cordocentesis) da kuma tayi, wanda ya ƙayyade girman tayin ta hanyar dan tayi.
Ana wucewa ga mahimmancin duban duban dan tayi - mahimmanci don cin nasara
Don gano yadda al'amuran ci gaba take ciki, da rashin barazanar katsewa da kuma yiwuwar yiwuwar daga al'ada, mata masu ciki za su yi amfani da duban dan tayi a cikin lokaci 3-4 a lokacin gestation. Alal misali, duban dan tayi na tayin na tsawon makonni 10-12 yana nufin ƙayyade adadin tayi, yana gano irin wannan mummunar cututtuka kamar Down's syndrome, Edwards akan nazarin alamomi na waɗannan pathologies na chromosomal: da kauri daga cikin sararin samaniya (bayani game da tayi girma ta hanyar tayi da ultrasound 45-83mm ) da tsawon kasusuwa na hanci. Don dalilan dogara ga bayanan da aka karɓa, baya ga duban dan tayi, za a iya ba da takardar "biochemical". A cikin farko da ake bukata duban dan tayi, ƙwayoyin tayi, tsarin kwakwalwa, zuciya, ciki, mafitsara, spine da yunkurin yaron ya ƙaddara.
Hanyoyin dan tayi na tayi a cikin makon ashirin da ashirin da tara yayi nazari akan yanayin mahaifa, ruwa mai amniotic a ciki, an yi don kawar da rashin daidaituwa ta tayi, ciki har da zuciya, kuma mafi dacewa ya ƙayyade jima'i na yaro. A makon 30-32, ana amfani da duban dan tayi na tayin don tantance nauyin nauyinta, da yanayin ƙirar na umbilical, don auna girman girman jariri tare da canal na haihuwa.
Tabbatar da ainihin lokacin haihuwar - aikin tayi
A kowace zaman, ainihin lokacin da aka kawowa dole ne a ƙaddara, amma mafi yawan bayani shine idan an kafa shi a farkon farkon shekaru uku. A wannan lokacin, yawancin tayin da aka tsara ta duban dan tayi a cikin ciki, irin su KTP (coccyx-parietal size) da DPR (diamita na kwai fetal) yawanci misali, daga bisani wasu dalilai daban-daban zasu rinjayi su. Don haka, tare da wadannan alamun, fassarar lokacin lokacin haihuwa da haifuwa ta faru ne ta hanyar kimantawa da kwatanta sauran alamun tayi tare da ka'idojin girman tayi ta hanyar duban dan tayi.
Babban sassan abubuwan da ke ciki shine:
- BDP (girman launi, wanda shine girman tsakanin ƙasusuwan kasusuwa). A binciken, yana iya faruwa cewa an tayar da kai a cikin ƙofar ƙananan ƙwayar. A wannan yanayin, yawanci ba zai yiwu ba don ƙayyade BDP, dangane da abin da, yarjejeniyar duban dan tayi zai sami abu "ba shi yiwuwa a tantance BDP". Duk ƙoƙarin gwada shi zai iya haifar da kurakurai a ganewar asali, kuma sakamakon sakamakon da ba daidai ba na aiki. Zai yiwu kuma girman girman kai zai ƙara karuwa (brachycephaly) ko longitudinally (dolichocephaly). Irin wannan abin mamaki, tare da sababbin siffofin ellipsoidal, shugabannin sun bambanta da na al'ada, amma zasu iya haifar da kuskuren yin la'akari da shekarun gestational da tayi daidai da duban dan tayi. Don tabbatar da ganewar asali, dole a biya hankali ga nazarin wasu alamun tarin hali);
- LZR (matsakaicin matsakaici);
- OG (haɗin kai);
- OJ (zagaye na ciki) yana daya daga cikin mahimman ka'idoji don ƙaddamar da ciwon intrauterine (FGP), don taimakawa wajen ƙayyade nauyin fetal ta hanyar duban dan tayi;
- DLB (cinya tsayin). Wannan alamar ya kamata a yi amfani dashi don ƙayyade tsawon lokacin ciki kawai idan ba zai yiwu a samu BDP ba ko tare da nau'i nau'i nau'i na kai, yayin da shine mafi muhimmanci a cikin gano dysplasia na ƙwanƙwara;
- DGRK (diamita na kirji), da dai sauransu.
Masana kimiyya sun tabbatar da cewa yin amfani da alamun da dama ya sa ya fi dacewa don ƙayyade tsawon lokacin ciki. A tsawon tsawon makonni 36, yana da kyau don nazarin yawan mutanen BDP, DLB da OZH, bayan haka - OZ, OG da DLB.
A matsayinka na mulkin, an ƙaddamar da ƙaddara a kan ɗakunan duban dan tayi na tarin tayi na duban dan tayi, misali wanda aka gabatar a kasa:
Saboda gaskiyar cewa za a iya saita kowace na'ura don daban-daban launi tare da tarin girma na fetal na makonni, ma'anar duban dan tayi na iya samun manyan bambance-bambance.
Idan girman ya kasa da lokacin haihuwa da aka nuna a cikin tebur, kuma idan an ƙayyade ƙananan nauyin tayi ta hanyar duban dan tayi, ana ganewa asali na HPV. Don tabbatarwa, ƙarin samfurin dan tayi yana aiki a cikin jariri, cardiotocography da dopplerography an tsara su. A kowane hali, idan sigogi ba su daidaita ba, kada ka damu da zarar, saboda dalili zai iya zama banal - lokacin daukar ciki ba daidai ba ne a kafa saboda rashin daidaituwa a ƙayyade kwanan wata. Sau da yawa wannan halin da ake ciki yana da hankula a lokacin amenorrhea.