Mutsara unokosha hunobatana pakati peamai nevana, kuburikidza nayo iyo oksijeni nemuviri zvinouya kumucheche, uye zvinowanikwa mumetabolism zvinodzoka. Kuziva kuti chii chinonzi umbilical cord iri mazviri chichatibatsira kufanotaura mugumisiro wekubereka mwana.
Zvinokonzera mutsara muduku wembilical
Kunyanya kunonyanya kusakanganiswa kwekusimbiswa kwembambo yembilical ndiko kuchinja kwehukuru hwayo. Kureba kwechimiro chechimiro chakasvibiswa ndeye 40-70 cm.Shoko shoma rembilical ndiro rinonyanya kukanganisika yezvose izvo zvinoitika. Iko kune mutsara wakareba wembilical uye zvachose mutsara wembilical, iyo inowanzoitika kakawanda. Mhedziso yakakwana yembilical ine urefu hunopfuura masendimita makumi mana, uye imwe shoma ine urefu hunowirirana, asi inogona kuderedzwa nekuda kwezvinhu zvinotevera:
- kukumbundira kumativi akasiyana-siyana emuviri wemwana (mutsi, makumbo, muviri);
- kuumbwa kwe nodes pamutsara wembilical: kusiyanisa nhema dzechokwadi uye dzenhema dzomumbambo wembilical. Node dzechokwadi dzakawanda uye dzinomirira varicose kuwedzerwa kweimwe yembilical cord mune imwe kana nzvimbo dzakawanda. Node dzechokwadi dzemutsara wembilical dzinowanikwa mu 1-2% yematambudziko uye dzinomiririra rakasimba sedop yemutsara wembilical. Node dzechokwadi dzinoonekwa muhupo hwemucheche muduku asi anoshanda;
- nzvimbo isina kururama yemuviri we fetal.
Zvinetso zvinogona kuitika pakuve nepamuviri nekuberekwa nemutsara muduku
Mutsara muduku mutsva unogona kunyanya kuomesa nzira yekuendesa uye kudzivirira kufamba kwe fetal kuburikidza nezera rekuberekwa. Mune mishonga, kuberekwa kwakadaro kunogona kuenderera mberi sezvinoitwa nebasa rakanyanyisa uye kuguma nechikamu chekudya. Chidimbu chinonzi umbilical cord, chinokonzerwa nekudengenyeka, chinogona kutungamirira mukuputsa kwemaitiro emoyo we fetal uye kuratidza mufananidzo wekufukidzana fetal hypoxia. Node dzechokwadi dziriwo nengozi pakuvandudzika kwe hypoxia pakuberekwa, apo fetus inofamba ichipinda mumugero wekubereka
Sezvatinoona, kuchinja kwehurefu hwetambo chinhu chisingadikanwi chinogona kukonzera nguva yekuzvitakura uye kubereka. Kusimbiswa kwechinguva kweiyo kusakanganisika kuchabvumira mukadzi, pamwechete nachiremba, kusarudza nzira dzakarurama dzekutumira.