Duban dan tayi ne kawai hanyar da ke bada damar gano cutar mai ciki a farkon matakai. Kwarar ciki na ciki zai iya zama tabbatacce ga duka ciki da kuma ciwon sanyi, kuma bayan duban dan tayi, ya rigaya ya bayyana a farkon tashin ciki abin da ke faruwa a cikin mahaifa.
Menene bayyane akan duban dan tayi a farkon matakan?
Har zuwa makonni 3 na ciki a kan duban dan tayi, ba a iya gani ba tukuna, sai dai a kan firikwensin hagu. Amma idan mace tana da sha'awar rike da ciki, to, baza'a iya amfani da firikwensin motsi ba don kada ya rabu da shi. Bayan makonni 3 a kan duban dan tayi na yau, tuni tayi yana gani (kamar ball ball ball a cikin mahaifa).
Tarkon ganewar asali na ciki a kan duban dan tayi
A farkon fara ciki a kan duban dan tayi a cikin mahaifa, ana ganin kwai kwai fetal:
- a cikin makonni 3 - 0.8 cm;
- a cikin makonni 4 - 1.4 cm;
- a cikin makonni biyar - 2.0 cm;
- a makonni shida - 2.7 cm;
- a makon bakwai -3.4 cm;
- a cikin makonni takwas - 4.0 cm;
- a cikin makonni 9 - 4.7 cm,
- a cikin makonni 10 - 5.3 cm,
- a makonni 11 - 6.0 cm;
- a cikin makonni 12 - 6,7 cm;
- bayan makonni 12 na ciki, ba a auna tayin ba.
Yawan tayi zai zama cikin mahaifa. Idan ba a samo jarrabawar jarrabawar ciki ba a cikin tarin hankalin mai tayi na tayin, sai a nemi a cikin tubes na fallopian (tare da daukar ciki).
Tayi amfrayo a kan duban dan tayi a farkon matakan
Bugu da ƙari, yarinyar fetal, daga makon 6 na ciki zaku ga amfrayo, kuma an fara auna. Dangane da girman fetal fetal da amfrayo, Tables sukan ƙayyade tsawon lokacin ciki ta duban dan tayi. An auna amfrayo daga laital zuwa kashi ɗaya a cikin tsayin, ba a auna ƙafafu a wannan lokaci ba, ana kiran wannan girman coccyx-parietal (KTP):
- daga 6 zuwa 7 makonni na ciki KTR 7-10 mm;
- daga mako bakwai zuwa takwas KTR 11-15 mm;
- daga 8 zuwa 9 makonni KTR 16-22 mm;
- daga makon 9 zuwa 10 KTR 23-31 mm;
- daga makon 10 zuwa 11 KTR 32-41 mm;
- daga makon 11 zuwa 12 KTR 42-53 mm;
- daga makon 12 zuwa 13 KTR 54-66 mm;
- daga 13 zuwa 14 makonni KTR 67-80 mm.
Idan CTE ya fi 80, to amma ba a auna shi ba, kuma girman tayin zai riga ya bambanta, a waje da tebur don sanin lokacin gestation. Baya ga aunawa KTP, wanda ya kamata ya karu tare da lokacin da take ciki, zubar da ciki ta ƙaddara ta tayin, wadda take fitowa daga makonni 5-6, ana gani ne akan duban dan tayi a mako bakwai da bakwai kuma dole ne ya bayyana daga makonni 9 na ciki a cikin amfrayo mai ciki. Idan ba a ƙin zuciya a gaban makonni 9 ba, to, zaku iya tsara duban dan tayi bayan kwana 10, idan ba a sake gwada shi ba, banda, KTP da ƙananan fetal ba su girma ba - ciki ya daskare.
A lokacin da aka fitar da Amurka a farkon mataki na ciki tare da makonni bakwai ya bayyana ƙaddarar farko na 'ya'yan itace. Da farko dai ba shi da kuskure, daga makon takwas shi ne motsi na gangar jikin, kuma daga makonni 9-10 - ƙungiyoyi da tsawo na ƙwayoyin.
Bugu da ƙari, yawancin adadin da aka ambata, a lokacin da aka fitar da duban dan tayi a farkon mataki na ciki, ana auna nau'i uku daga cikin mahaifa (tsawon, nisa da kuma kauri), bincika siffarsa. A wannan yanayin, lura cewa akwai sifofin kashi na cikin mahaifa, cirewa daga cikin ƙwayar fetal, duk wani tsari a cikin mahaifa da ovaries, raga a cikin mahaifa. Tayin zata daidaita matakan da ke cikin mahaifa (don ganewar asalin Down syndrome), da kauri daga cikin zabin (ciwon gaba).
Duban dan tayi a cikin farkon sharudda yana da nasacin peculiarities: har zuwa makonni 6, kwai daya a cikin kogin cikin mahaifa ko fiye da aka ƙayyade. Lokacin da embryos ya bayyana, sun biyo baya don ci gaban kowane ɗayansu. Idan a farkon farkon yatsun fetal daya ne, kuma daga makon bakwai akwai 2 amfrayo, to, duba yawan ƙwai da suke da da zabin. Idan kwai kwai da fetin daya daya ne, to ana iya nazarin 'ya'yan itatuwa don adhesions, a sakamakon haka - saboda rashin mazhabobi.
Akwai ra'ayi cewa duban dan tayi a farkon sharudda yana da illa, musamman saboda ƙwayoyin tayi zai iya zama dumi da lalacewa. Musamman ma wannan ya shafi nau'o'in yaduwar ruwa (irin su kwakwalwa na yaro a nan gaba). Amma duban dan tayi na iya farawa a farkon matakan bayyana matsala mai tsanani, da yawa daga cikinsu ba daidai ba ne da rayuwar ɗan yaro.