Ukuzalwa komntwana kuthathwa njengommangaliso omkhulu kunaphambi kweenyanga ezili-9 zokukhulelwa, ngelixesha elinye iseli (zygote) lijika libe ngumntu. Eyona nto ibalulekileyo yintathu yokuqala yokukhulelwa, xa ukubeka kunye nokwakhiwa kwazo zonke izitho kunye neenkqubo zenzeka. Ngeli xesha, i-embryo ekhulayo ibuhlungu kakhulu kwimpembelelo yezinto ezinobungozi, ezifana nokutshaya, ukusela utywala, ukusuleleka kwintsholongwane. Ubukho bezinye izifo ezinokukwazi ukugcina inkqubo yokuvuvukala engapheliyo kwimizimba yenkqubo yokuzala ingakhokelela ekwakheni izinto ezinzima kunye nokukhupha isisu.
Iiveki ezi-7 zokuphuhliswa kwesisu kunye nobukhulu bomntwana
Iiveki ezi-7 zokukhulelwa zibhekwa njengenye yexesha elibalulekileyo ekubunjweni kwamalungu kunye neenkqubo zomntu ozayo. Ukuphuhliswa kombungu ngeveki 7 kubonakala ngokubunjwa okusebenzayo kwentliziyo kunye nemithambo emikhulu yegazi. Ubungakanani be-Fetal kwiiveki ezi-7 ngu-0.8-1 amagremu, kwaye ubude bayo bu-8 mm. Ngeli xesha, ukunyuka kwe-craneal ye-neural tube ye-embryo iqala ukuphuhlisa ibe yingqondo. Ukwakhiwa okusebenzayo kwiphepha lesisu esiswini kwenzeka ngokuchanekileyo ngeveki 7. Ngoko ke, umntwana sele sele ene-rectum kwiiveki ezi-7-8, kwaye ngoku i-esophagus kunye nentlungu encinci yenziwa.
Ukuphuhliswa kwe-Fetal 7-8 iiveki kubandakanya ukukhula okusebenzayo kunye nokwahlukana kweeseli kunye nezicubu zenkqubo ye-pulmonary. Ngeli xesha, i-trachea kunye nemiphunga ihlakulela. Kwiiveki ezi-7, ukubunjwa okuqhubekayo kwintambo yesigxina kunye ne-placenta, ebonakaliswa ngokunyanyiswa kwe-placenta kunye nokuqhotyoshelana kwentambo yomlomo kwi-wall uterine, iyaqhubeka. Kwi-embryo kwiiveki ezi-6 ukuya ku-7 kuqala ukubunjwa kwamalungu angaphezulu. Ukuba kwiiveki ezingama-6 zikhona izixhobo zesikhombi kuphela, ngoko kwiiveki ezingama-7 unokwazi ukwahlula phakathi kwe-handle kunye namagxa, iminwe iya kufuma kamva. Kulo veki 7 ukuba ubuso buqala ukuvela embryo, amachashaza amancinci amancane avela kwicala. Ngaphezulu kweenyanga ezimbalwa ezalandelayo, bahamba ngokukhawuleza ebusweni baze babone amehlo.
Iiveki ezi-7 - isiqhamo sibonakala ngathi?
Ukubona ukubonakala nokujonga ubukhulu bombindi kwiiveki ezi-7, ungasebenzisa i-ultrasound. Ngoko, enyana yinkwenkwe ifana neentlanzi, usenomsila oya kutshabalala kuphela kwiveki ye-10-11. Ubungakanani be-coccyx-parietal (CTE) ye-fetus kwiiveki ezi-7 ngu-7-13 mm. Ukutsalathisa kwe-fetus yisona sibonakaliso esibaluleke kakhulu somsebenzi wayo obalulekileyo kunye nophuhliso olupheleleyo. Ukuguquka kwi-embryo yeeveki ezi-6 ukuya ku-7 kuviwa kwii-100% zamatyala. Ukuba intliziyo ayikwazi ukuvakala, i-ultrasound kufuneka iphindwe emva kweentsuku ezingama-7-10.
Imiva yowesifazane ngeveki yesi-7 yokukhulelwa
Kwiveki yesi-7 yokukhulelwa umfazi sele esazi ukuba ubomi obutsha buvele kuye kwaye kufuneka alahle yonke into engaphazamisa okanye iphule ukuphuhliswa kwengane ezayo. Ngeli xesha, i-uterus ekhulelwe ingaphantsi kwegama elilodwa, ngoko isisu asikabonakali. Umama wesikhathi esizayo akanakuze abe namava ukuba akayi kufumana i jeans ayithandayo. Ngamanye amaxesha kukho izikhalazo malunga nokudonsa okungathandekiyo
Ngoko, sihlolisise uhlobo luni lweziqhamo kwiiveki ezi-7: ukubonakala kwayo, ubunzima kunye nobukhulu. Kwakhona kuqwalaselwa iimpawu zokubunjwa kwamalungu kunye neenkqubo ngeli xesha. Kubaluleke kakhulu ukuba umama ozayo aqonde ukuba kuxhomekeke kwindlela yakhe eyakhelwe ngayo kakuhle umntwana wakhe, yingakho kubalulekile ukuyeka imikhwa emibi, ukugcina ubuthongo obufanelekileyo nokuphumla ngokufanelekileyo kunye nokutya okunengqiqo. Okubaluleke kakhulu ekuphuculeni kakuhle kwe-fetus kukuqala kokusetyenziselwa kwababhinqa kunye nokuhamba kwayo yonke into efunekayo yophando.