I-placenta. Ukukhula kwe-placenta

I-placenta, noma indawo yengane, iyisici esibalulekile esixhuma ophilayo nabomama. Ukwakhiwa kwe-placenta kwenzeka ngokufana nokubunjwa kwembungu. Lesi sitho sinesisekelo se-basal nendawo ye-chorial. Ubuso be-basal bunamathele odongeni lwesibeletho, kanti ubuso be-chorionic bubhekene nesigcawu sesibindi sesisu.

I-placenta iqukethe ama-lobules lapho kunenqwaba yemithambo yegazi. Kule mikhumbi, ukudla okunomsoco kanye nokuthunyelwa kwe-oksijeni ku-fetus kwenziwa. Ukwakhiwa kwe-placenta kuphela ekupheleni kwezinyanga ezintathu zokuqala zokukhulelwa. Kusukela ku-trimester yesibili yokukhulelwa kuze kube sevikini lama-36 i-placenta ikhula futhi ikhule, inikeze ukudla okunomsoco futhi isekela umsebenzi obalulekile we-fetus.

Imisebenzi ye-placenta

I-placenta iyisici esibalulekile ngesikhathi sokukhulelwa futhi yenza imisebenzi eminingi edingekile ekuthuthukiseni okujwayelekile kwengane esibelethweni. I-placenta iyithwala yokudla nokuphefumula kwe-fetus. Futhi ususa imikhiqizo yokuphila kwakhe emzimbeni wengane, iyinhlangano yokukhiqiza kwamahomoni adingekayo ekukhuleni nasekuthuthukiseni kwe-fetus, ivikela amasosha omzimba wengane, ihambisa amantombazane omzimba ezinganeni zegazi. La maseli avikelayo azohlinzeka ingane ngokuvikelwa okuthembekile ngokumelene nezifo ezinyangeni ezimbalwa ngemuva kokuzalwa.

Ukukhula kwe-placenta

Njengoba i-placenta ingenye yezingxenye ezibalulekile zokuthuthukiswa okuvamile kwengane ngesikhathi sokukhulelwa, isazi sezinkinga zesifo sezifo esithile esihlola izifo sihlola isimo salesi sitho kulo lonke isikhathi sokubeletha ukugwema izinkinga ezingenzeka. Ngakho-ke, ekwenzeni ukwelashwa, kunegama elifana nesimiso se-placenta. Umkhuba we-placenta uhlanganisa ukuhlolwa kwezinga lokuvuthwa kwe-placenta, indawo yokunamathiselwe kwayo nokuqina.

Izinga lokuvuthwa kwe-placenta lihluka kuye ngokuya esikhathini sokukhulelwa.

I-Zero (0) izinga lokuvuthwa kwe-placenta kuvame ukutholakala ngesikhathi samaviki angama-30 okukhulelwa. I-placenta inesakhiwo esivumelanayo, isifubeni sayo sihamba kahle futhi siqondile.

I-degree yokuqala (I) yokuvuthwa itholakala emasontweni angu-27-36 okukhulelwa futhi ibhekene nokukhathazeka okuncane kwekhanda le-chorionic kanye nokutholakala kwe-inclusions echogenic esakhiweni sayo.

Isiqu sesibili (II) sokuvuthwa kubonakala ngesikhathi semasonto angama-34 kuya ku-39. Ngesikhathi esifanayo, ukukhulelwa kwe-membrane kwanda, nakuba kungakapheli uhlaka lwesisekelo. Iziphetho eziningi ze-echogenic zibonakala.

I-degree yesithathu (III) yokuvuthwa kwe-placenta itholakala ngemva kwamasonto angu-36. Phakathi nalesi sikhathi i-placenta ithola isakhiwo se-lobular, lapho izigaba ezinkulu ze-echogenic zibonakala khona.

I-pathology yokuvuthwa kwe-placenta

Uma i-placenta ivuthwa ngaphambi kosuku olufanele, ngakho-ke kulolu mbuzo umbuzo wokuguga ngaphambi kwesikhathi se-placenta. Ukuvuthwa kwangaphambi kokuqala kwenzeka uma i-II degree yokuvuthwa kwe-placenta inqunywa amasonto angu-32 kanti izinga lesithathu lingamaviki angama-36. Ngenxa yalesi sifo, owesifazane okhulelwe unqunywe ukuhlolwa kwe-dopplerography - ukuhlolwa okukuvumela ukuthi uhlole isimo sokujikeleza kwe-utero-placental emzimbeni. Lokhu kuhlolwa kwembula ukuphazamiseka kwegazi okungabangela i-hypoxia bese kuphuza ukuthuthukiswa kwe-fetus. Ngakho-ke, lapho ehlonza ukwehlukana okunjalo, udokotela ubeka ukwelapha, okuhloswe ukubuyisela ukujikeleza kwegazi kwe-uteroplacental, ukuze unikeze ingane ngokondla okwanele ne-oxygen.

Ngezinye izikhathi kukhona ukuvuthwa okulandelayo kwe-placenta. Lesi sifo singabangela ukubambezeleka ekuthuthukiseni i-fetus, ngoba i-placenta ayikwazi ukubhekana nemisebenzi eyabelwe yona.

Ngakho, ukuvuthwa kwe-placenta kungenye yezinkomba ezibalulekile zokuthuthukiswa okuvamile kanye nokudla komntwana. Ngakho-ke, nganoma yikuphi ukuphambuka, kubalulekile ukulandela imithi kadokotela ngokucacile. Phela, kulokhu kuncike empilweni nenhlalakahle yengane yakho!