Ngusiphi izinguquko umntwanakho awela kuzo?
Ngaphandle, iqanda le-fetal kancane kancane liguqulwa libe umbungu. Isakhiwo sangaphakathi sawo siba nzima nakakhulu. Manje kufana nediski ehlanganisa ngokushesha izingqimba ezintathu zamangqamuzana ofanayo. Embryology, zivame ukubizwa ngokuthi ama-embryonic sheets. Ngokushesha zanikeza izakhiwo ezithintekayo zenza izinhlelo nezinhlelo zomuntu ongakazalwa.
Ingaphandle, noma njengoba ivame ukubizwa ngokuthi ungqimba wangaphandle, yi-ectoderm. Ngokuqondile kusuka kuyo yakha izinhlaka ezinjengokuthi:
- isikhumba sokufaka;
- izinwele;
- izipikili.
Ngaphezu kwalokho, iqabunga elingaphandle lithatha ingxenye eqondile ekubunjweni kwesimiso sezinzwa, izinto ezibonakalayo, amazinyo.
Isendlalelo esiphakathi, i-mesoderm, iphakamisa uhlelo lwethambo, izicubu ezixhumeneyo, izixhobo zomsipha, izinhlelo ezixubile, izicathulo kanye nokujikeleza.
I-Endoderm, isendlalelo sangaphakathi, isisekelo sokwakhiwa komgudu wamathumbu, isibindi, izigqoko zangasese zangaphandle.
Ekukhulelweni kwe-obstetric 4 amaviki, ekugcineni kokunamathiselwe kweqanda lomntwana wesibindi odongeni lwe-uterine, inethiwekhi yemithambo yegazi iqala ukwakha. Nguye onika i- placenta.
Kungenzeka yini ukuveza ukukhulelwa ngosuku olunjalo wena?
I-HCG evikini le-4 lokukhulelwa kwababelethisi lifinyelela ezingeni lokuxilonga. Ngakho-ke, ukuze kutholakale iqiniso lokuqashwa, owesifazane angasebenzisa ukuhlolwa okujwayelekile.
Ngokuvamile, ukuhlushwa kwe-hormone kuyi-25-156mMe / ml.
I-Ultrasound ngesonto le-4 lokuvimbela ukukhulelwa lenziwa ukuze kuqinisekiswe ukuthi ukubeletha, ukuhlolwa kokuqukethwe kweqanda le-fetal. Ukusetshenziswa kwemishini ephezulu yokuxazululwa kwe-ultrasound kuvumela ukuqeda ukwephulwa okunjalo njenge-anembrionia, lapho umbungu engekho.