Ukubunjwa kwe-fetus kwi-1 trimester
Ixesha lokukhulelwa lidibene ngokwahlukileyo libe ngamaxesha amabini (embryonic (ukusuka kumama ukuya kwi-9 iveki) kunye nomntwana wesisu (ukususela ngeveki ye-9 ukuya ekuzalweni komntwana). Kwiiveki zokuqala emva kokuqumba, i-embryo ikhula.
Ukuqala ukususela kwiiveki ezingama-4-7, kukho iimbombo zexesha elizayo, isifuba kunye neethambo zomzimba. Ekupheleni kweveki yesine, intliziyo iqala ukubetha. Kancinci, iincwadana zeentloko, iingalo kunye nemilenze.
Ukuqulunqwa kwenkqubo ye-nervous in the fetus kugqitywa ngeveki yesi-7. Ukutshatyalaliswa kwamehlo, isisu nesifuba sithethiwa ngakumbi. Kodwa ngexesha elifanayo, inkqubo yokugaya kunye nezitho zangasese zangaphakathi ziyaqhubeka nokuphuhlisa.
Ngeveki ye-8 , iimvuthu zivele ziphuhliswe kakuhle kwizitho zangaphakathi ezibalulekileyo, nangona uphuhliso lwayo oluqhubekayo luqhubeka.
Ngeveki le - 9 umntwana unokuziqhayisa ngamalungu angaphakathi. Ubuso obuncinci bufumana iimpawu ezingaphezulu nangaphezulu. Ubungakanani obude bomntwana buba ngu-2.5 cm.
Iiveki eziyi-10-12 - kunyuke ngokunyanisekileyo kwezicubu ze-muscle. Ngalesi sikhathi kukho i-phalanges yeminwe kunye ne-marigolds yokuqala. Kwiiveki ezili-12, umntwana udala ingqondo.
Uphuhliso lwabazali kwi-2 trimester
Ekuqaleni kwekota yesibini, umntwana ungumzimba ovuthiweyo. Iiveki ezingama-13 ukuya ku-16 yinkqubo yokuphuhlisa ngokukhawuleza. Iimvuthu zeemvumba ziyaqulunqwa ngakumbi. Ubunzima bomntwana bunokufikelela kuma-1300 g, ubude - 16-17 cm.
Intliziyo yesisu idala kwaye iyakwenziwa nge stethoscope. Amathambo ngokuthe ngcembe athola ukuqina. Izitho zocansi zihluke. Ngelo xesha, umzimba uphinde uhlanganiswe ne -gogo-i-fuzz yasekuqaleni.
Iiveki ezingama-17 ukuya ku- 20 ziya kuvezwa ngumsebenzi okwandisiweyo womntwana. Umzimba uba ngakumbi. Iizintso zifakwe kumsebenzi. Kukho amaqhinga amazinyo ezinsana ezizayo. Uphuhliso olusebenzayo lwezitho zangaphakathi luyaqhubeka. Isisindo somntwana singama-340-350 g, kunye nobude - 24-25 cm.
Ithuba lokuva izandi zehlabathi ezijikeleze iimvuthu zivela kwiveki 21-24. Kwaye ngamanye amaxesha unomama unokuziva ukuba umntwana ushiya njani. Ngalesi sikhathi, iphupha lomntwana liphazamiseka ngokukhawuleza ngamaxesha ambalwa okuvuka. Yilapho eyazibiza ngokwakhe ukuba asebenzayo kunye nokunyakaza.
Ukuphuhliswa kwengane kwi-3rd trimester
I-trimester yesithathu yokukhulelwa iqala ngeeveki ezingama-25. Nsuku zonke umntwana uhlala elungiselela ukubonakala kwakhe. Ngethuba leveki ezingama-25 ukuya kwe- 28, isiqhamo, ngokwesilinganiso, sinzima malunga neekhilogram enye, ubude bayo buyi-35-37 cm. Naphezu kokuba imiphunga ayilungele umsebenzi wesikhathi esizayo, i-cortex sele iqalile. Umntwana unako ukuvula nokuvala amehlo akhe.
Ukwahlula phakathi kokukhanya nobumnyama umntwana uza kuba neveki ezingama-29-32. Ngeli xesha iindlebe zakhe zibukeka kakuhle.
Ukuqokelela kwamathambo amaninzi kusebenze kwiiveki ezingama-33-36. Ikhumba liyabaleka, nge-pink tinge. Imiphunga ikulungele ngokupheleleyo umsebenzi wesikhathi esizayo. Yaye nangona ukubunjwa kwesondo kwisisu sele sele kugqityiwe ngokupheleleyo, uphuhliso lwabo luyaqhubeka.
Ukuqulunqwa kwamalungu ebusana ngeeveki zokukhulelwa kumntwana ngamnye unokuba neempawu zayo. Qaphela ezo zinguqu ezintle ezenzeka kumzimba wesetyhini. Emva kwakho konke, ukukhulelwa kuyinkqubo enomdla kakhulu kunye nenjabulo yobomi.