Insimu yomzimba iyisixhumanisi esibalulekile phakathi komama nengane, kusetshenziswa umoya we-oksijeni nezondlo kumntwana, kanye nemikhiqizo ye-metabolism ukubuya. Ukwazi ukuthi imuphi umcibisholo ungaphakathi kuzo kuzosiza ukubikezela umphumela wokubeletha.
Izimbangela zensimbi emfushane
I-anomaly evame kakhulu yokuthuthukiswa kwentambo ye-umbilical ishintsho ngobukhulu bayo. Ubude bezintambo ezijwayelekile zomzimba zingama-40-70 cm. Intambo encane ye-umbilical yinto ejwayelekile kakhulu kunazo zonke ezenzekayo. Kukhona intambo encane yomlomo kanye nethambo encane kakhulu embilical, eyenzeka kaningi kakhulu. I-cord encane kakhulu encane ibe nobude obungaphansi kuka-40 cm, kanti okuncane kakhulu kunokujwayelekile, kodwa kunganciphisa ngenxa yezici ezilandelayo:
- ukumboza izingxenye ezihlukahlukene zomzimba wengane (intamo, imilenze, umzimba);
- ukwakheka kwamagqabha emgqeni womzimba: ukuhlukanisa izintambo eziyiqiniso nezamanga zensimu yomzimba. Amanothi weqiniso ajwayelekile futhi awakhulise ukwandiswa kwe-varicose kwesinye sezintambo zomhlaba endaweni eyodwa noma ngaphezulu. Amathrekhi weqiniso wezintambo zomzimba atholakale ku-1-2% amacala futhi amele uhlangothi oluqinile lwezintambo zomzimba. Amanothi weqiniso ayabonakala uma kukhona ingane encane kodwa esebenzayo;
- isikhundla esingalungile somzimba wesisu.
Izinkinga ezikhona zokukhulelwa nokubeletha ngezintambo ezimfushane
I-string encane yomzimba ingaba nzima kakhulu inqubo yokulethwa nokuvimbela ukunyakaza kwe-fetal ngokusebenzisa umsele wokuzalwa. Ngokwemithi, ukubeletha okunjalo kungaqhubeka njengomsebenzi omnene futhi kuphele ngesigaba sokudla. I-cord encane encane, ebangelwa ukuxubana, ingaholela ekwephuleni umsebenzi wenhliziyo yesisu futhi ibonise isithombe se-hypoxia ekhushukile yobusana. Ama-node weqiniso nawo ayingozi ekuthuthukiseni kwe-hypoxia ekubelethweni, lapho umntwana ehamba emgodini wokuzalwa
Njengoba sibona, ushintsho ebude bezintambo kuyinto engathandeki engabangela inkinga yokukhulelwa nokubeletha. Ukuqinisekiswa okwesikhashana kwalokhu okungahambisani nakho kuyovumela owesifazane, kanye nodokotela, ukuba akhethe amaqhinga afanele ekulebeni.