Ukuqonda ukugqalwa kokukhula komntwana emva kweenyanga kwenza kube lula ukuqonda ukuba kubaluleke kangakanani kuye nakukhulelwa konke imihla ngemihla kwaye kwanexeshana. Ingane ifumana iimpawu ezintsha, ezahlukileyo kuye, eziya kumvumela ukuba eze emhlabeni kwaye aphile ngokuzonwabisa.
Uphuhliso lwe-Fetal kwi-trimester yokuqala
Ukuphuhliswa kwe-fetus ngenyanga yokuqala yokukhulelwa ngokusemthethweni kwinqanaba lokukhupha. Ukusuka kwi-zygote equkethe iseli enye kuphela, imbungu iqala ukwakheka kwayo, ubude bayo kuba malunga ne-13 mm ngasekupheleni kweli xesha. Okwangoku, i-system yemithambo yegazi ifakiwe, apho igazi lihamba khona. Ngexesha leentsuku zokuqala ezingama-30 zobomi bakhe inkunzi iyakwazi ukwenza ibhukmakhi yengqondo yentloko, intambo yomlomo, izitho zokuva, ukunyuka nokubona.
Sekudlulileyo kwiinyanga ezintathu ukuphuhliswa kwe-fetus kubangela ukuba kuluhlu lwama-gram angama-30, kwaye ukukhula kwayo ku malunga no-8 cm. Iiplati zesikhombiso zenziwe, zikhona iinkophezelo kunye nezitho zangasese, ezivumela ukusebenzisa izixhobo ezithile zesini ukuseka isondo. Umntwana unokuphefumula, kodwa ngelixa le nkqubo iyancitshiswa ukugwinya nokukhutshwa kwe- amniotic fluid . Kwakhona kukho ukunyakaza okungazi kakuhle kweengcambu zeengcambu, inkunzi iyakwazi ukuyifakraza ize ilandele.
I-fetus kwi-trimester yesibini
Nangona kunjalo, sele sele sele kwiinyanga ezili-6 ukuphuhliswa komntwana kuphele ukumangalisa, okuqhelekileyo. Ukuphakama kwakhe kusele malunga ne-35 cm, ngelixa ubunzima bunokuba yi-560 grams. Ngaphantsi kobunqamle besikhumba kubonakala izicubu ezinamafutha, iinkophe ziyakwazi ukuvula kwaye zivale, zinikeza umxholo. Ingane inokuva izandi ezivela ngaphandle kwaye iyakhala. Abantwana ababonakala kulo mhla bahlala besaphila, ngenxa yokungafezeki kwamalungu okuphefumula. Kodwa izixhobo zanamhlanje zikwazi ukugcina ubomi obancinci.
Phantse iveki ngaphambi kokuzalwa komntwana kugqiba ukukhula kwayo, okungeke kuthiwe ngokuqokelela izicubu ze-adipose.
Enyanisweni, ukuphuhliswa komntwana emva kweenyanga zokukhulelwa kuyinkqubo eyimangalisa kakhulu engayi kuphinda iphinde iphinde ibuye iphinde ibe yimpumelelo, kwaye yintoni kuphela umzimba wesifazane onako. Nangona iyeza zanamhlanje alinakukwazi ukuqikelela kwaye zilandele ngokuchanekileyo ukuphuhliswa komntwana kunye nosana ngeenyanga, ezishiya ezininzi iimfahla kunye nemibuzo. Kwaye mhlawumbi asifanele siyazi yonke into?