Kodi mtima umayamba liti kumenya pa ubwana?

Mayi aliyense yemwe adayamba kuphunzira kuti posachedwa adzakhala ndi mwana, akukumana ndi zozizwitsa. Pakalipano, ziyenera kumveka kuti nthawi yoyamba ya mimba ndiyangoyamba kwambiri kuti akambirane za kubadwa kwa moyo watsopano, chifukwa ndikofunikira kwambiri kuti mtimawu ukhale womenyedwa ndi nyenyeswa.

Ndichifukwa chake amayi onse amtsogolo akuyembekezera nthawi yomwe mungamve kupweteka kwa mtima kwa mwana wanu mothandizidwa ndi zipangizo zamakono zamakono. Kuyambira nthawi ino moyo watsopano m'mimba mwa mkazi umayamba kukula, ndipo miyezi ingapo pa Dziko lapansi padzakhala munthu mmodzi pa dziko lapansi.

M'nkhaniyi, tidzakuuzani momwe mtima umakhalira m'mimba pambuyo pa umuna, ndipo ikayamba kumenyedwa pa nthawi yomwe imatenga mimba.

Kukula kwa mkati mwa mtima wa mwana

Mphuno yomwe imayambira mu thupi la mayi, poyamba, imakhala ndi moyo, kotero imafunikira mpweya wokakamizidwa kuti ukhalebe ndi ntchito yofunikira komanso chitukuko chogwira ntchito. Ichi ndichifukwa chake mapangidwe a circulatory system ndiwo chinthu choyambirira cha chiwalo chaching'ono.

Pakadutsa sabata lachiwiri mutatha umuna, pamene kukula kwa mimba kumangokhala pansi pa 1 mm, maselo ake amayamba kugawa mu "embryonic". Aliyense wa iwo adzapatsidwa ntchito zinazake, makamaka, ambiri adzachita nawo mapangidwe a kayendedwe kake, minofu, impso, mafupa ndi cartilage.

Pafupifupi sabata lachitatu mutatha kuyanjana kwa umuna ndi dzira, timapanga tizilombo toyambitsa matenda timene timapangidwira. Gawo ili ndilofunika kwambiri pakukula kwa mwana wamtsogolo, chifukwa patapita kanthawi tube iyi idzasintha mtima wake.

Mgwirizano woyamba wa chiwalo chachikulu m'tsogolomu umachitika tsiku la 22 chiberekero chimaumbidwa, komabe, panthaƔi ino ya mimba sichiyang'aniridwa ndi dongosolo lamanjenje. Iyi ndiyo nthawi yamankhwala yomwe imaonedwa kuti ndiyo kuyamba kwa nthawi yomwe mtima umagunda pachimake. Pambuyo pake, tsiku lirilonse mtima wamphongo udzafooka mochulukira, ndipo tsiku la 26 chitatha chiberekero, chidzayamba kupopera magazi enieni ndikuchita ndi nyimbo zina.

Pa nthawi ya chitukuko, mtima wa mwana wam'tsogolo umakhala m'chipinda chimodzi ndipo ndi wofanana kwambiri ndi chiwalo chachikulu cha munthu wamkulu. Pafupifupi sabata lachisanu ndi chiwiri lachiyembekezo cha mwanayo, malo opangidwa ndi septum amapangidwa mmenemo, ndipo kachitidwe kachitidwe kamene kamapezeka kokha pambuyo pa milungu 10-11 yobereka. Komanso, nthawi yonse yomwe mayiyo ali ndi pakati, mtima wa mwana wosabadwa umasintha kwambiri, kumakhala pamodzi ndi ziwalo zina ndi kuwapatsa mpweya ndi zina zofunikira zowonjezera.

Kodi mtima umayamba kumenya ndi masabata angati?

Monga tanenera kale, mtima wa fetal umayamba kumenyana pamene kutuluka koyamba kumangokhalako, ndiko kuti, pafupifupi tsiku la 22 mutatha umuna. Panthawi yomweyi, kuchepa kumeneku ndi kofooka kwambiri, ndipo n'kosatheka kuchigwira ngakhale ndi chithandizo cha zipangizo zamakono zamakono. Kuonjezerapo, panthaƔi imeneyi, kukula kwa mimba kumakhala kosavuta.

Amayi ambiri omwe amayembekezera amafunitsitsa kudziwa kuti mwanayo akugunda mtima nthawi yaitali bwanji, ndipo izi zimatha kukhazikitsidwa. Nthawi zambiri, izi zimachitika pa sabata lachinayi la chitukuko cha mwana m'mimba mwa amayi, ndiko kuti, pa sabata lachisanu ndi chimodzi la mimba. Ndi nthawi yomwe madokotala amalimbikitsa chithandizo choyambirira chodziwitsa mwana kuti ali ndi moyo komanso akukhala bwinobwino.

Ziyenera kunyalidwa m'maganizo kuti chiyeso cha amayi kuti adziwe kugunda kwa mtima ndi chovuta kwambiri. Monga lamulo, pa masabata asanu ndi limodzi ndi asanu ndi awiri mphambu zisanu ndi ziwiri (6-7), mawonekedwe a kunja omwe sakhala ndi matenda a ultrasound sakudziwa kuthamanga mtima kwa mimba.

Kuonjezerapo, nthawi zina, amai amasangalatsidwa ndi sabata yomwe mungamve kuti mwanayo akugunda mtima, popanda kugwiritsa ntchito zipangizo zapadera. Kawirikawiri, patapita masabata 18-20 atatha msinkhu, dokotala amatha kuzindikira mosavuta mtima wamphongo womwe umamenyedwa ndi stethoscope kapena detector Doppler. Kuchita izi, ndi kotheka, komanso mkaziyo, koma chifukwa cha phokoso la extraneous phokoso loti lidziwe bwino kwambiri sikuti ndilo lonse.