Ubudala bezithintelo zabanqanda
Ngenxa yokuba ezininzi iinkcazo zemini yokukhulelwa zilukhuni, ixesha lokuziphatha liqala ukubala ukususela ngomhla wokuqala wokugqibela, ukukhutshwa kwenyanga nganye.
Ngethuba elifanayo, ukuba kube lula ukubala kuthathwa ukuba inyanga iphela iiveki ezi-4. Ngoko ke, ukubala ukuba zingaphi iinyanga ezi, iiveki ezili-12, umama olindelekileyo ukwanele ukwahlula ngo-4.
Yintoni eyenzekayo kulomntwana ngeli xesha?
Ukukhula kwentsana elizayo ngeli xesha li-6-7 cm, kwaye ubunzima bomzimba wakhe bufikelela ku-9-13 g.
Intliziyo isele isebenze kwaye ngaphakathi kwimizuzu engama-1 yenza i-160 cuts. Ingqongqo yakhe ibonakala ngokucacileyo xa wenza i-ultrasound.
Ngeli xesha, ukuvuthwa kwe-thymus gland kwenzeka, ejongene nokuhlanganiswa kwe-lymphocytes kunye nokwakhiwa kwesistim somzimba somntwana. Ngexesha elifanayo, i-pituitary gland iqala ukukhulula i-hormone echaphazela ngokuthe ngqo ukulinganiswa komlinganiselo, ukukhula. I-leukocytes iqala ukuvela kwigazi elijikelezayo.
Ibindi yesisu livelisa i-bile, efunekayo kuphela kwinkqubo yokugaya inyama. Kule meko, iindonga zeembilini ezincinci ziqala ukwenza izicatshulwa ezikhutheleyo ze-muscle fibers-peristaltic.
Kwizixhobo zokusebenza ze-musculoskelet, i-bone substance isakhiwe. Kwiingcebiso zeminwe zibonakala zihlaziyiweyo zamacwecwe ezipikili. Umzimba ngokwawo uhlanganiswe ngeenwele ezivela ngaphandle.
Usana luqhuba intshukumo yokuqala kwi- amniotic fluid. Ukuhlaziywa kwazo kwenzeka rhoqo imihla, kwaye ivolumu ayenzi ngaphezu kwama-50 ml.