Fetus - huru matanho

Human kukura kunotanga pamuviri nguva - vanonzi vanachiremba apo mwana ari mumuviri waamai. Kubva nguva kubatanidzwa nomumwe pamwe urume uye zai kusvikira pakaberekwa mudumbu iri utero kukura rinopfuura mamwe matanho, ayo kuburikidza siyana Qualitative uye quantitative zviratidzi inozivikanwa. Nguva iyi yakanga kupfuura enigmatic mamiriyoni emakore, asi zvino achibatsirwa yazvino akakwanisa kuwana nemamwe kwepfuti batanidzo rwaamai uye yemadzibaba utachiona masero, uye haizopereri Genesi zvava pachena uye lucid.

Mune trimester fetus huchangotanga muchibereko wokutanga, izvozvo nechinangwa kuvakwa huru STRUCTURAL zvinhu - nyama uye nhengo dzomuviri. Foni kuwedzera utachiona mumwe chete remangwana kweropa, kufema, excretory, skeletal hurongwa. Uye pazuva rechimakumi maviri uchaona kuti pachena kusiyana mwana munhu ari kare achirova kuwedzera muzvanza chubhu. Zviri - mwoyo. Naizvozvo zvakaipa ndivo avo vanofunga kuti kubvisa pamuviri kusvika vhiki nhanhatu - kuti haasi kupondwa mupenyu mudumbu, asi chete kubviswa biomass. zvikonzero akadaro vaya vasingadi kubvuma chikanganiso chake. Kutaura zvazviri, hwomwana mwoyo unotanga kurova ipapa. Pashure pemwedzi mitatu, mwana atova ane muviri kureba anenge mapfumbamwe masendimita, kuti Ultrasound anogona kusiyanisa musoro, maoko nemakumbo. Kukura ari mudumbu panguva iyi hakufaniri pasi chero zvinokonzerwa sezvo intrauterine zvokurwara uye kuipa nayo simuka pakutanga trimester. Kunyange asati pamuviri, uye kana hazvina kuitika, zvino pakarepo pashure mashoko pamuviri, mumwe mukadzi anofanira kurega kusvuta, zvokunwa doro, kana zvinodhaka, zvimwe zvinodhaka (zvakakodzera kubvunza chiremba wako), dzivisa kushushikana uye nezvimwe zvinokuvadza.

Kana fetus kunoitika dzinowanzoona, ipapo pakati romwedzi wechina unogona kunzwa mwana kutama. Kana izvi zvikaitika, vanachiremba akarayira zvakawanda tsvakurudzo, asi vanaamai vasina mano kungava nguva yokutanga kupotsa chiitiko ichi chinokosha nokusaziva nezvekufadza. Gare gare, apo mwana akura, ukapisa murwi uchava pachena, uye kare chii kwete kuvhiringidza.

Kusvikira mwedzi rechina fetus waiva quality, zviri ikozvino hunodzorwa quantitative kuchinja - mwana anotanga kuwana uremu nokukurumidza, uye pakazopera mwedzi wechishanu anoyera pamusoro kilogram. Ramba kukura kwavo nyama uye nhengo dzomuviri.

Pakazosvika mwedzi fetus wechinomwe anowana zvitsva zviri - mwana anotanga kunzwisisa zviwane uye anovapa mhinduro. Saka, anonzwa inzwi vabereki, mupfungwa havambozivi kuti dumbu, stroking, akatendeuka ari uye kure chiedza muimba. kuchinja ava mwana anopindura nenzira yake - anogona kunyemwerera kana finyi nechapamusoro, inotunga maoko nemakumbo sechiratidzo kunyunyuta kana kubatwa nehope uye kudzikama kana inzwi ramai. The mwana ari kugadzirira pakuberekwa. Kana nokuda chero chikonzero mwana anozvarwa kare panguva nguva ino, kana kutsigira shoma pane zvokurapa mudonzvo Achapedza.

Nomwedzi worusere, mwana ane hwakasimba uremu uye chitarisiko. Subcutaneous mafuta ari yaiitwa yakapfupikiswa, uye ikozvino midziyo ropa haaratidzi kuburikidza - mwana ane utano vaaleanpunainen ruvara. Enzanisa wrinkles pahuma, ari axillary uye inguinal zvanza. Panguva ino, mwana hunowedzera unwieldy, nokuti ukuru dumbu haangavi kumutendera kufamba nokushingaira. Kazhinji vana tora mwedzi misere cephalic mharidzo, iyo inochengeterwa pamberi pakukurukura.

Kukura ari mudumbu ari dumbu rinoguma zvizere mwedzi mipfumbamwe. Pakazosvika nguva mwana vagadzirira rakazvimirira vapenyu, saka achifuridzirwa mahormone muchibereko chemusikana anomhanyira mariri kwekunze, uye anotanga mudariro chitsva muupenyu duku murume.