Mucherechedzi mukudzivirira ndiyo nhengo inonyanya kukosha iyo inobatanidza amai kumucheche uye inochengetedza kushanda kwechimiro chema fetus. Nokufamba kwemazuva, sezvinoita mazai embryo, mapacenta ane nzvimbo yekukwegura, kana, mune zvesayenzi, inopfuura nepakati pezvikamu zvakakura zvekukura.
Kuyerera kwepascenta inzira yezvisikwa iyo inofanirwa kubhadhara zvizere zvemuwana anouya nemiti yose yakakosha.
Chikamu chechipiri chekukura kwepentecenta kazhinji chinowirirana nemashoko kubva pamasvondo makumi matatu nemasere kusvika makumi matatu ekuberekwa. Munguva iyi, nzvimbo yakasara yepascenta inowedzera kuipa, yakawanda yakajeka echopositive inclusions inowanikwa. Nhamba yekukura kwepalcenta inowanzogadziriswa ne ultrasound diagnostic, pamwe nehupamhi hwepentecenta, iyo inofanirwawo kuita zvinoenderana nekushanda kwebasa re fetus. Pa2 degrees ekukura kwepentecenta, hutema hwayo hunofanira kunge huri pakati pe 28 kusvika ku 49 mm. Kusiyana pakati pehupamhi hwe-placenta uye nguva yekukura kunoratidza kukanganisa kwekamuviri kamuviri uye kunogona kutyisidzira kumucheche.
Kushungurudzika uye hutachiona hunobatanidza nehuwandu hwekutsvaga kwepascenta
Sezvatotaurwa pamusoro apa, chikamu chechipiri chekukura chinowanzoenderana neshoko 34-37 masvondo ekugona. Kana, pane ultrasound, mukadzi ari kuiswa 2 kukura kwepentecenta panguva yapfuura, vanoti kusakara kwepakutanga kwepentecenta .
Kukwegura kwepakutanga kwepa placenta
Iyo inoratidzirwa nekugadzirwa kwepakutanga kwe placenta (kuchembera), iyo inosanganisira zvinogona kutyisidzira utano hwemucheche. Kazhinji kazhinji vanotaura nezve hypoxia ye fetus, kureva kuti, hauna kukwana oksijeni, iyo inotungamirira kuhogiji yenzara. Panguva imwe chete, nekuda kwekushaya kukwana kwevana munguva yemberi ine michina, pangangodaro kusakanganiswa kwechikamu chebasa reropi, uye nokuda kwekuendesa, kusati kwava kutanga uye nguva yakaoma.
Zvinokonzera kukwegura kusati kwasvika kwepa placenta:
- chirwere cheshuga mellitus nezvimwe zvirwere zvehomoni mumuviri waamai;
- Kubvisa pamuviri, izvo mukadzi akazviita asati atanga kuberekwa uku;
- zvirwere zvekupedzisira zvemukadzi (ramaperembudzi);
- kunonoka kuviraxicosis - gestosis;
- kusvuta kana kunwa doro naamai;
- kusingaperi kwehutano hwepfungwa;
- hepatitis nedzimwe zvirwere zveropa;
- zvirwere zvekuvhenekera;
- utachiona hwehutachiona uye chibereko.
Zvisinei, pasinei nedambudziko rakadaro rokutyisidzira, mukadzi anonzi ane chirwere chekukura kwepentecenta 2 panguva inenge pasi pemasvondo makumi matatu nemapfumbamwe haafaniri kutya. Chiremba achapa mimwe miedzo uye mimwe miedzo kuwedzerwa ropa. Kana izvi zvisingawanikwi, ipapo mukadzi haana chaanotya nacho. Muchiitiko chekusimbiswa kwekutyisidzira kwehupenyu hwehupenyu hwemucheche, kushanda kwakanaka muchipatara kunorayirwa. Sezvo mutemo, chikwata chemishonga chinangwa chekudzorera mabasa eparcenta nokuda kwekugovera zvakakwana kwecheche ane utano hwose
2 chiyero chekukura kwepascenta panguva iyo isingasviki kune chimiro hazvirevi nguva dzose kuvapo kwehutano. Kana chiremba asingacherecheri ngozi chaiyo yekuberekwa asati azvarwa, saka zvichida, nzira yekurapa nemishonga Curantil kana mamwe mishonga yakakodzera pamba ichagadzwa. Chero zvazvingaitika, mukadzi anofanira kunyatsotevera mazano achiremba uye nguva dzose anouya kumuchinge.
Uye zvechokwadi, nguva dzose kurumbidza kufamba kukuru mumhepo, maawa maviri pazuva. Iyi ndiyo yakanakisisa yekudzivirira fetal hypoxia, pamwe nehutano hwakanaka hwekubatsira kwekukwegura kusati kwakura kwepentecenta.