Njengoko uyayazi, lonke ixesha lexesha lokuhlalisa lihlukaniswe kwii- trimesters ezibizwa ngokuba yi- trimesters -ixesha elide, ubude balo buyiinyanga ezi-3. Cinga ngale parameter ngokucacileyo kwaye uqonde: i-1 trimester yokukhulelwa - zingaphi iiveki, kwaye ziziphi iinguqu ezinzulu ezenzeka kuyo.
Kuze kube nini i-trimester yokuqala yesisu?
Njengoko sele kukhankanywe ngentla, i-1 trimester - iinyanga ezintathu. Ukuba uzama ukuyiguqulela kwiiveki uze ufumane: ingaba i-trimester yokuqala yokukhulelwa ihlala nini, koko kuvela ukuba le nto ihamba ngeveki ezili-12.
Yintoni eyenzekayo kumntwana ekule nqanaba?
Ekuqaleni kokukhulelwa, i-future fetus yinto encinci yokuqokelela iiseli ezihlala zihlulwe. Kwinqanaba lokugulisa, ukuqaliswa kweqanda le-fetal kwi-endometrium ye-uterine kwenzeka. Kulo xesha, eqinisweni, ukuqala kokukhulelwa.
Phakathi kweveki yesibini, inkqubo yeentlanzi zexesha elizayo isana iqalisa ukwenza, kwaye sisondele kwi-4, iimbumba zamehlo zenziwa, iingalo nemilenze yomntwana ongakazalwa ziqala ukuhluka. Ekupheleni kwinyanga e-1 yokukhulelwa, i-embryo isancinci kakhulu, i-4 mm kuphela.
Ngenyanga yesi-2 yesigxina, ukuphuhliswa kakuhle kwengqondo kuphawulwe. Kule meko, intloko yombungu ngokwayo ikhulu ngokwaneleyo kwaye ubukhulu bayo bube ngaphezu kwe-3 yebude bayo. Umntwana ozayo ukhangeleka njengentambo enkulu.
Kule nqanaba lokuphuhliswa, intliziyo sele isenkontileka. Endaweni apho iindlebe kunye neenyawo ziza kubakho, kukho uhlobo oluthile lwe-compaction olwakhiwayo, eziyizixhobo ezikhoyo. Ngasekupheleni kweenyanga ezi-2 iinxalenye zenkqubo yokuzala yombungu ziqala ukwenza. Nangona kunjalo, akunakwenzeka ukuchonga ngesini. Ubukhulu bempilo encinane ngeli xesha alidluli kwi-2.5 cm.
Iinyanga ezi-3 zesigxina zibonakalisa ukubonakala kwamanye amaqaqa ebusweni. Kule meko, iibhulawu kunye neenyawo sele zihluke. Ekugqibeleni, ngeli xesha, izitho ezenza isisu esisisu sisenziwa, ngakumbi isibindi, isisu, isisu. Ukwakhiwa kwenkqubo yokuphefumula kwakhona kwenzeka.
Intliziyo isele idibene-4, inethiwekhi yemithambo yegazi ikhula. Kukho utshintsho kwingqondo: i-grooves kunye ne-convolutions zenziwe. Kukho ukutshintshwa ngokuthe ngcembe kwe-cartilages ngamathambo, okubangela ukuba kuqhutywe ngakumbi intshukumo yomntwana. Amanye amabhinqa, awona mpawu yee-moles, angabonakalisa ukuhamba kokuqala ekupheleni kwekota yokuqala .