Iyini i-placenta?

Iyini i-placenta?

Ngokuqinisekile uzwile nge-placenta futhi uma ukhulelwe, nakakhulu. Kungashiwo ukuthi i-placenta iyisitho sesikhashana elakheka phakathi nalokho kukhulelwa futhi elisebenza njengenyunyana noma ibhuloho phakathi kukamama nombungu. Itholakala esibelethweni futhi inamathela kulwelwesi lwesibeletho ngesikhathi sokukhulelwa.

I-placenta inemisebenzi eminingana ebalulekile ngesikhathi sokukhulelwa kanye nokubeletha.. Ngakho sekuyisikhathi sokuthi sizivumele sithathwe yibo bonke futhi sibazi ngokujulile. Njengoba ngokuqinisekile uke wazibuza izikhathi ezingaphezu kwesisodwa, ukuthi i-placenta ngeyani. Sizophendula konke ukungabaza kanye nemibuzo yakho. Uzophuthelwa?

Nikeza ingane yethu ukudla nomoya-mpilo

Ngaphandle kokungabaza, kungomunye wemisebenzi ebaluleke kakhulu onayo ngoba unesibopho sokuhlinzeka ngokudla nomoya-mpilo ku-fetus ngokujikeleza kwegazi. I-placenta isebenza njengesihlungi, ivumela izakhi nomoya-mpilo ukuba idlule umgoqo we-placenta futhi ifinyelele enganeni, kuyilapho ngesikhathi esifanayo ivimbela ukudluliswa kwezinto ezithile ezinobuthi kanye namagciwane. Ngakho-ke izonakekela ingane yethu encane ngaso sonke isikhathi futhi kunjalo, nomama bayo.

imisebenzi ye-placenta

I-placenta ikhipha imfucuza ku-fetus.

Kwesinye isikhathi siyaye sizibuze ukuthi imfucuza ekhiqizwe wumntwana ishonaphi, kahle kahle sesinayo impendulo. I-placenta nayo idlala indima ebalulekile ekukhipheni udoti okhiqizwa umbungu. Le mikhiqizo engcolile, njenge-carbon dioxide ne-ammonia, akhishwa ngegazi likamama bese kuba ngomzimba kamama. Okusho ukuthi futhi, i-placenta iphethe ukusiza yonke le nqubo. Kuyanothisa futhi kususe okungasenamsebenzi, ngakho-ke kuyimisebenzi emibili emikhulu okufanele inakwe.

ikhiqiza i-progesterone

Ngesikhathi sokukhulelwa, i-placenta ikhiqiza i-hormone ebizwa ngokuthi i-progesterone, okudingekayo ukugcina ukukhulelwa nokulungiselela umzimba kamama wokubeletha. Futhi iphethe ukukhiqiza amanye amahomoni, njenge-hormone yokukhulelwa (HCG), ekhuphuka kakhulu phakathi namasonto okuqala kuze kube yi-trimester yokuqala yokukhulelwa. Kodwa ku-placenta siphinde sithole okunye ukukhiqizwa kwamahomoni afana ne-(HPL) okuzoba yiyona evuselela izindlala zebele. Ngaphandle kokukhohlwa nge-estrogen, okuthi nakuba umthombo wayo kuyizindlala ezikhiqiza amaqanda, i-placenta nayo idlala indima ebalulekile ngalesi sikhathi sokukhulelwa.

i-placenta nokukhulelwa

I-placenta ivikela ingane yethu kuzo zonke izinhlobo zezinto ezinobuthi

Cishe akukholakali kodwa kuyiqiniso. Iphinde isebenze njengesithiyo esivikelayo phakathi kombungu nomama. Ngesikhathi sokukhulelwa, kuyasiza vikela ingane kumagciwane athile kanye nezinto ezinobuthi okungaba yingozi kumntwana ongakazalwa. Kodwa-ke, kukhona futhi ingozi yokuthi izifo ezithile noma izimo zingathinta i-placenta futhi ngenxa yalokho umbungu. Ezinye zalezi zimo zihlanganisa i-placenta previa noma i-abrupto (i-placenta abruption). Kodwa ngobubanzi singasho ukuthi inawo lowo msebenzi wokuvikela, noma ngabe kwesinye isikhathi awubi u-100%.

Manje uyazi ukuthi i-placenta iyini futhi, njengesifinyezo, sibonile ukuthi iyisitho esibalulekile ngesikhathi sokukhulelwa esihlinzeka ngokudla, umoya-mpilo kanye nokulahlwa kwemfucuza ku-fetus. Ngaphezu kokuvikelwa nokukhiqizwa kwamahomoni abalulekile okukhulelwa nokubeletha. Nakuba kungokwesikhashana, kubalulekile ekuthuthukisweni nasekuphileni wengane yethu Ngakho simkweleta kakhulu, nakuba ngezinye izikhathi singazi ngempela konke asenzela kona.


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  1. Ubhekele imininingwane: Miguel Ángel Gatón
  2. Inhloso yedatha: Lawula Ugaxekile, ukuphathwa kwamazwana.
  3. Ukusemthethweni: Imvume yakho
  4. Ukuxhumana kwemininingwane: Imininingwane ngeke idluliselwe kubantu besithathu ngaphandle kwesibopho esisemthethweni.
  5. Isitoreji sedatha: Idatabase ebanjwe yi-Occentus Networks (EU)
  6. Amalungelo: Nganoma yisiphi isikhathi ungakhawulela, uthole futhi ususe imininingwane yakho.