Mwedzi wechipiri wekudzivirira unotanga nevhiki yechishanu. Mune nguva iyi urefu hwembryo hwakatove huri masendimita mashanu. Mumwedzi wechipiri wekutambisa intrauterine, hutachiona hwehutachiona hwehutano, huropi, musana, uye zvipfeko zvepabonde zvemwana anotevera zvinoumbwa. Munguva iyi, chiropa uye chirwere chetachiona chinowedzerawo. Nokudaro, zvakakosha kare kare panguva iyi yekudzivirira kubhadhara zvakanyanya kudya. Itai kuti muzvokudya zvokudya zvine iodine, izvo zvinodiwa pakuumbwa kwetachiona gland.
Mumwedzi wechipiri wekudzivirira, musoro we-fetal uri pedyo necheti, unonamatira kubhokisi. Yatove kubva pamasikati makumi matatu nemasere kusvika makumi matatu nemaviri kusvika kune makumi maviri nemaviri kune mairi nemaoko nemakumbo ayo akafanana nemafuta. Muvhiki rechitanhatu, kutanga kwezveramangwana ziso zvinoumbwa. Nzeve dzinoonekwa pamusoro we embryo. Mukuwedzera, chivako chemuviri chinoumbwa muvhiki rechitanhatu, mwoyo nemhepo inotenderera inoshanda.
Panguva yevhiki yechinomwe yekutambisa intrauterine, nzira dze organogenesis dziri kuitwa nekuwedzera zvakasimba. Yakagadziridzwa uye yakasimbiswa miviri yakaumbwa mumavhiki apfuura. Kubva mumidziyo yeropa ye embryo, imwe inosunungurwa, iyo iri pakati pe embryo uye placenta. Nokudaro, anochinjwa kuva hukama hukuru pakati peamai nevana - iyo placenta. Uyewo panguva iyi, minwe inoumbwa pamaoko, ayo achiri mashoma uye akareba. Kureba kwembryo nekuguma kwevhiki rechinomwe ikozvino 12-15 cm.Sezvaunogona kuona, mumavhiki maviri zvakapetwa kaviri.
Sezvo vhiki yechisere, iyo embryo inotanga kukura nokukurumidza, nhengo zhinji dzatove dzichiumbwa, saka kukura kwavo kushanda uye kubudirira kuri kuitika. Mwana wemangwana anototarisana nechiso: muromo, mhino, nzeve. Mukuwedzera, kune musiyano wakajeka muhutano hwemitezo ekuberekwa. Musoro we embryo inenge wakaenzana nehurefu hwedu. Kubvira panguva iyi embryo inova chibereko. Iyo yakareba inenge 20-30 mm, uye uremu - 13 gramu.
Zvinonakidza kuziva kuti mumwedzi wechipiri we intrauterine kukura kwayo yose yakabatana-purogiramu yematusus inokura, hunde inoumbwa uye inoreba. Mafungiro anoonekwa maziso emucheche. Iye atoziva nzira yekuzarura muromo wake, uyewo kutamisa minwe yake. Makumbo e fetus touch. Munguva iyi, hutumbu hukuru hunotanga kuita basa rayo.
Chii chinoita kuti ndiani achava, mukomana kana musikana
Uye chinhu chose mumasikirini ... Masero evanhu evanhu ane maviri maviri emaikromosomes, kusiyana nemamwe masero, ayo ane ma chromosomes makumi mana. Chromosomes kubva kune yekutanga kusvika kumakumi maviri nemaviri yechimiro chakafanana. Aya ndiwo ma chromosomes. Asi ma chromosomes emuviri wechipiri akafanana chete nevakadzi. Iyi ndiyo chromosome XX. Mune varume, zvisinei, ma chromosomes emuviri aya akasiyana, naizvozvo anosarudzwa se XY chromosomes. Saka, kana mazai anogadzira X-spermatozoon, musikana "anowana", uye kana chirwere che Y chinogadza, zvinoreva kumirira mukomana.
Manzwiro emukadzi ane pamuviri
Ndinofunga kuti vakadzi vazhinji, kutanga pamwedzi wechipiri wekuzvitora, "vakanyongedzwa" munyika yekunzwa kutsva. Iwe hauna kungosiya kumwedzi chete, asi panogona kuva ne toxicosis yepamuviri, kuratidzwa nekunyunyuta uye kurutsira, sekutaridzirwa kune zvokudya uye kunhuwira. Kusurukwa musoro, kugona, chirwere cheperiodic, kushaya simba kunogona kuitika. Pakupera kwemwedzi wechipiri wekudzivirira mukadzi anokwanisa kunzwa kunyange kutapfeka kwepfeko kumativi ake. Munguva iyi, pangava nekudhakwa kune zvimwe zvokudya, kuda kuchiva, munyu kana kutapira. Ndinoyeuka ini, kuti ndaida chaizvo nyama, uye kazhinji kudya.
Kuchinja kwakadaro kwakadaro mumuviri kunokonzerwa nekugadzirirwa kune imwe "mamiriro ezvinhu anofadza". Dzimwe humwe humwe humwe humwe hunochinja hunoonekwa, hunoti: kutsamwa, kutsamwa, manzwiro ekuzvidya mwoyo, mafungiro evanhu.
Mwedzi wechipiri wekuita pamuviri ndeupi mutsauko wekuchinja, apo mukadzi anofanira kufungisisa nzira yake yehupenyu, chikafu, kushanda kwehurumende, nezvimwewo. Nokuda kwekubudirira kunobatsira kwema fetus mumwedzi wechipiri wekudzivirira, zvinokosha kuti usabvisa migumisiro yakasiyana-siyana inokuvadza. Nzira yakanakisisa ndeyokutora mavhiki mashomanana kuti upinde uye utange kufamba mumhepo itsva. Kana iwe usati wanyoresa kubvunzurudzwa kwevakadzi, ikozvino inguva yekuenda kune gynecologist. Achapa mazano anobatsira pakudya, kudya zviratidzo zvose zvinodiwa uye kupindura mibvunzo inofarira iwe.