Iveki yama-24 sele sele iphelile kwinyanga yesithandathu yokukhulelwa. Inqabileyo yowesifazane wesibini i-trimester iyaqhubeka. Ubudala be-fetus iiveki ezingama-22.
Ukuphuhliswa komntwana kwiintsuku ezingama-24
Ubunzima bomntwana emasontweni angama-24 ububele buyingxenye engaphezu kwengama-kilogram. Ukukhula kwalo kuku malunga ne-33 cm.
Kwiiveki ezingama-24, ukuphuhliswa kwenkqubo yokuphefumla komntwana kugqityiwe. Inkqubo evumela i-oksijini ukuba ingene kwimipopeni iya kwigazi iyaqhubeka nokuphucula. Ukungena kumaphaphu, umoya usasazeka kwiinkqubo eziyinkimbinkimbi ze-bronchi kunye ne-bronchioles, eziphelisa kwi-alveoli. Iiseli ze-alveoli ngeli xesha sele zivelise iqela elisebenzayo. Le nto iyimfuneko ekhethekileyo engavumeli ukuba iindonga zesikhwama somoya zihlangane kunye nokuphefumula, kwaye zibulala amabhaktheriya athathwe emoyeni. Kuphela emva kokuba umqhubi osebenzayo eqala ukubonakala kwimiphunga yesisu, umntwana unokuphefumula aze akwazi ukuhlala ngaphandle kwesibeleko sikamama. Ukuba umntwana uzalelwe ngenxa yokuzalwa kwangaphambi kokuqala kwangaphambi kwesi sihlandlo, ngoko ayihlali.
Kule ngongoma, umsebenzi wee-glands kunye ne-sweat sweat sele ishintshiwe.
Izitho zentlupheko epheleleyo. Ingane iva, ivakalelwa iimvakalelo ezivela kumama, iyayiqonda ingcamango, i-squints ekukhanyeni okukhanyayo.
Kulo nqanaba lophuhliso lomntwana, naye unendlela yakhe yokulala nokuvuka. Uninzi lwexesha umntwana ulele. Ngelo xesha, ubuthongo bakhe bunesiqhelo sokukhawuleza kunye nesantya (yonke into ifana nomntu wangempela). Iingcali zenzululwazi zikholelwa ukuba ngeli xesha le nto iyakwazi ukubona iiphupha.
Ngokubhekisele kwimeko yokuzalwa komntwana, umntwana obengamaviki angama-24 sele sele ebhekene nobuso obunjalo njengoko kuza kuzalwa. Impumlo kunye nemilomo yenziwa. Amehlo awawubanzi ngokubanzi njengoko bephakathi kweenyanga ezidlulileyo. Kukhona amaqabunga ngaphezulu kwamehlo, kunye ne-eyelashes kwiinkophe. Iindlebe sele zithathe indawo yazo.
Ukunyakaza kwe-Fetal kwiiveki ezingama-24
Nangona umntwana ehlala phantse i-uterus yonke, uyaqhubeka enomdla kuyo yonke into ejikeleze kuyo: uyaphonsa kwiindonga zesisu, uhlalutye intambo yesibindi kunye nokuwa. Ngeli xesha umama wakhe, ukuhamba kwakhe kubonakala ngokukodwa.