Menene placenta previa ko ƙasa?

na baya

Babban aikin mahaifa shine ba da damar musanya na rayuwa da gaseous tsakanin jinin tayi da na uwa. Duk da haka, ba shine kawai aikin da yake da shi ba, kamar yadda za mu gani a wannan labarin. Yana da mahimmanci a san cewa matsayin mahaifa, ko da yake ba yakan shafi haihuwa ba, yana faruwa a wasu lokuta na musamman, wanda za mu yi magana game da su a yau, wanda shine previa ko low placenta.

An haɗa tayin da mahaifar juna ta hanyar cibi yayin da mahaifar mahaifa ke sadarwa kai tsaye tare da mahaifa ta jakunkuna masu cike da jini da ake kira. jini lacunae

Menene mahaifa?

Gaba ne mai yankewa, don haka wucin gadi, wanda ke samuwa a cikin mahaifar lokacin ciki. Mahaifiyar mahaifa ce ke da alhakin ciyarwa, kariya da kuma taimakawa a ciki girma tayi.

Yana da yawa ga mai ciki da tayin. Ɗaya daga cikin sashe na asalin mahaifa ne (wanda ya ƙunshi gyaggyarawa ko ƙwararren mahaifa endometrium), yayin da sauran kuma asalin tayin (wanda ya ƙunshi chorionic villi). Mahaifiyar mahaifa, don haka, tana wakiltar tushen tayin a cikin ƙasa uwa.

Ayyukan mahaifa

Kamar yadda muka yi tsokaci, mahaifar tana aiki azaman musayar iskar gas da iskar gas tsakanin jinin tayi da na uwa, amma ba wai kawai ba, yana kuma yin wasu ayyuka da yawa, daga cikinsu zan ambaci mafi mahimmanci:

  •  yana samar da iskar oxygen zuwa tayin kuma yana cire carbon dioxide ta hanyar shinge na placental, wato, bakin ciki Layer na sel wanda ke raba chorionic villi daga jinin uwa;
  •  tsarkakewa da sarrafa ruwaye sassan jikin tayin;
  •  taimakawa tayi kayan abinci mai mahimmanci, ciki har da glucose, triglycerides, sunadaran, ruwa, bitamin da kuma ma'adinai salts godiya ga permeability game da waɗannan abubuwan gina jiki da ke cikin jinin mahaifa;
  •  damar wucewa na kwayoyin rigakafi ta hanyar endocytosis kuma a lokaci guda yana hana na yawancin ƙwayoyin cuta (tare da wasu keɓancewa kamar ƙwayoyin cuta na rubella da toxoplasmosis protozoa);
  • yana hana wucewar abubuwa masu cutarwa da yawa ga tayin, ko da yake wasu na iya wucewa ta ciki, wanda ya zama haɗari ga jariri (caffeine, barasa, nicotine, wasu magunguna, kwayoyi ...);
  •  yana samar da abubuwan hormonal da ake bukata don ciki: gonadotropin ɗan adam chorionic (HCG), progesterone, estrogen da prolactin.

A wane matsayi ne mahaifar mahaifa take?

Matsayin mahaifa ya dogara ne akan wurin dasa amfrayo a cikin endometrium, saboda haka yana iya zama. na gaba, na baya ko na gefe kuma wannan baya shafar ciki ko haihuwa. Duk da haka, yana iya faruwa cewa an samo shi ƙasa da al'ada: a cikin wannan yanayin muna magana ne game da shi low placenta ko previa. Kimanin kashi 5% na masu ciki na farko suna da ƙananan mahaifa, wanda a mafi yawan lokuta yakan koma matsayinsa yayin da ciki ya ci gaba. Wannan yana faruwa ne saboda mahaifa, lokacin da girma ya girma, yana tura shi sama. Don gano ainihin wannan yanayin, ya kamata a tabbatar da wurinsa a kusa da 35-36 mako na ciki.

Gabaɗaya, wannan yana buƙatar cesarean haihuwa, musamman a lokuta na tsakiyar mahaifa previa. A wannan yanayin, toshewar mahaifa yana faruwa wanda ke hana wucewar tayin ta hanyar mahaifa.

Placenta previa da haihuwa ta halitta

Un yunƙurin haihuwa na halitta a cikin wadannan yanayi yana haifar da laceration a cikin mahaifa wanda kuma zai iya haifar da zubar da jini mai tsanani wanda zai iya yin barazana ga lafiyar uwa da jariri. Don tantance aikin mahaifa a ƙarƙashin yanayin al'ada, mafi girman abin dogara shine sama da duk girman girman tayin: idan girman tayin yayi daidai da abin da ake tsammani dangane da shekarun haihuwa kuma adadin ruwan amniotic na al'ada ne, yana nufin cewa yana yana aiki da kyau.. Sauran sigogin da ake tantancewa ta hanyar gwaje-gwaje na duban dan tayi sune uroflowmetry na jijiyar cibiya, wanda ke kimanta aikin mahaifa bisa yanayin tayin, da uroflowmetry na jijiyoyin mahaifa, wanda a maimakon haka yana binciki bangaren uwa.


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