Pakukora ari placenta yose pamuviri

Mukadzi wose akava nepamuviri, kutanga kudzidza vazvibate, kuti remangwana mwana zvose zvakanga zvakanaka kwazvo. Zvinonzi zvakazara dzinofambiswa, hazvina kufanira muropa, uyewo Kugara uchishanyira chiremba wavo. Kubvira pamuviri, zvakakosha kuongorora placenta. Chii uye nei richikosha?

Placenta - the nhengo iyo michero anodya uye chinofema. Inobereka mahormone zvakafanira kuti zvinoitika zvinokosha basa amai mwana kudzivirirwa munyika kurwisa muviri, nokudaro kudzivisa wokuriramba.

placenta Chimiro ndiko kunzwisisa chaizvo. The inotungamirwa rayo kutanga anenge panguva imwe chete kuda embryo kusvika uterine rusvingo. The chikuru Chikamu placenta kuchibva villi, ayo zvakanyatsobatana mumwe, akafanana midzi ane simba muti. For villi izvi runoyerera ropa mwana wacho, uye kubva kunze rakakomberedzwa rwaamai ropa. Somugumisiro, pane vaviri placenta ropa maitiro - mubereki nomwana, pakati asina exchange. Mwana anobudisa waamai ropa okisijeni uye zvinovaka muviri, uye akadzorera carbon dioxide inobvisa uye zvigadzirwa kuti kubviswa kubva mumuviri.

Dzivirirai mudumbu placenta kunotanga kwevhiki 12. All Mabhakitiriya, nemavhairasi zvinowanikwa muropa ramai, uye filters kare akachenesa neropa okisijeni nechikoro kuti mwana.

Kunze unodzivirira, kufema, uye muviri, placenta achine hormone basa. Inogona kubereka anenge 15 mahormone, chinangwa chiri yakasiyana. Somuenzaniso, imwe zvepabonde kemikari zvakakodzera kuramba pamuviri.

Basa placenta riri guru kwazvo, nokuti kukura nokukurumidza kupfuura mwana pachake. Nechekare mune rechi12 vhiki pamuviri, muchero pacharo hunorema anenge 4 magiramu, uye placenta kurema ndiyo 30 magiramu. Pedyo kusiya dhayamita pamusoro 15-18 masendimita uye placenta pakukora 2-3 cm uye hunorema 600 magiramu. Kufamba, zvose zvakanga kuitira pamwe kukura mudumbu, pane dzakananga zviratidzi pasi apa.

Pakukora ari placenta kwevhiki panguva dzakasiyana zvokukura pamuviri:

• Vhiki 20 - 21,96 mm;
• Vhiki 21 - 22, 81 mm;
• Vhiki 22 - 23,66 mm;
• Vhiki 23 - 24,55 mm;
• Vhiki 24 - 25,37 mm;
• Vhiki 25 - 26.22 mm;
• Vhiki 26 - 27,07 mm;
• Vhiki 27 - 27,92 mm;
• Vhiki 28 - 28,78 mm;
• Vhiki 29 - 29,63 mm;
• Vhiki 30 - 30,48 mm;
• Vhiki 31 - 31,33 mm;
• Vhiki 32 - 32.18 mm;
• 33 Vhiki - 33,04 mm;
• Mavhiki 34 - 33,89 mm;
• Vhiki 35 - 34,74 mm;
• Vhiki 36 - 35,59 mm;
• Vhiki 37 - 34,35 mm;
• Vhiki 38 - 34,07 mm;
• Vhiki 39 - 33,78 mm;
• Vhiki 40 - 33,50mm.

Izvi nhamba dzingasiyana zvishoma. Asi kana pakukora ari placenta ane zvarakasiya guru kukura, mukadzi ane pamuviri achava narwo zvakakomba kurapwa.

Zvinosuruvarisa kuti zvevakomana kakawanda pane abnormalities ari kukura placenta. Zvirwere izvi chete haangatongopfuuri, uye kunogona kuita kuti migumisiro yakaipisisa. Ndokusaka vabereki vanofanira kuziva zvinokonzera pathologies uye mishonga.

vanamai All kutarisira kusununguka, vari kutarisira pakaberekwa mwana, nguva dzose kunetseka mwana wavo, uye pakukora ari placenta - mumwe zviratidzi ane dzose pamuviri.

Kakawanda vakadzi chirwere pachinzvimbo "hypoplasia placenta", dzakakurumbira kunzi 'mutete placenta. " The zvinokonzera chirwere ichi chinogona kuva nemagene zvirwere. Zvinofanira kurangarirwa kuti mudumbu inobata chete zvinoderedza simba iri kukura vana nzvimbo. Uyewo, iyo placenta zvingava zviduku panguva pamuviri - yakawanda yaivhuvhuta zvingakonzera kukonzera ayo vakurumidze kukwegura uye kuibvisa. Izvi zvinoitika nokuda rwaamai dzakasiyana zvirwere. Musiyano majini chirwere uye kuchinja kwakaitika somugumisiro chirwere, ndechokuti shoma ukobvu pamusoro placenta, izvo akamuka nokuda chirwere wakavarambidza (akaitira), asi masero abnormalities hazvigoni zvafanotaurwa.

Hyperplasia isiri yekenza, kureva, kuwedzera kukura placenta, zvinoitika panyaya zvinotapuriranwa, chirwere cheshuga, kupererwa neropa, uye kusapindirana kweropa-kunetsana. Munokuridzirwa hyperplasia isiri yekenza zvinogoneka chete pashure pokugadzwa yakarurama zvikonzero parinowanika. Mugumisiro zvichawedzera ayo placenta insufficiency, izvo zvingaita kunonoka kukura ari mudumbu (uye dzimwe nguva rokusamhanyira nokuberekwa).

Uyewo ari kukura placenta kukanganisa nomuviri nevakadzi. Somuenzaniso, vakadzi vane kuwedzera duku nouremu mwana chigaro kunogona kuva shoma zvikuru pane wakanaka zvepabonde Rubens marudzi.

Saka, tinogona kugumisa kuti zvakakosha kuongorora kwete chete kukura mudumbu, asiwo avo, chii pakukora ari placenta, mwero ambotaurwa.