Kutheni kwiinyanga ezi-2 zehla?
Kule minyaka engama-2 iindwangu ezinqabileyo ziqala ukusebenza ngokuzenzekelayo, ezingakhange zivuswe kule ngongoma. Kodwa lo msebenzi awuhambelani ngokufanelekileyo kwaye ngokuqhubekayo, kuba umzimba uzama ngamandla ayo.
Kukho ezinye izizathu zokuba umntwana angakwazi ukuhlalisa iinyanga ezimbini. Eyona nto iphambili ibonakalayo . Hayi, kwiinyanga ezi-2-3 amazinyo avela kwinani elincinci leintsana, kodwa umzimba ulungisa umlomo. I-salivary fluid i-anesthetizes iinjongo, apho inkqubo yokuqhuma kwenzeka khona.
Ukongeza, i-stali iqulethe izinto zendalo ezinobungozi zendalo ezikhusela umlomo womlomo kwi-bacteria ye-pathogenic, efika apho eninzi. Emva kweenyanga ezi-2-3, inkunzi iqala ukuhlola izinto ezikujikelezayo, kuquka iminwe yakhe kwindlela ephela yifumanekayo - ikhupha yonke into emlonyeni wakhe. Ubume bunyamekela ukuba,
Musa ukulibala ukunika iincinci zerabha ezithambileyo kunye neetys-tethers ezincinciza i-itch in the genums kwaye zithulise umntwana.
Ngelishwa, kukho iimeko ezibizwa ngokuba yi-hyperreservation - ukuphulwa kwenkqubo ye-nervous and endocrine. Ngasemncinci ubudala, awakabonakali, kodwa enye yeempawu zingaphaya nje. Ngako oko, ukuba umama ubona ukuba kunamathele kakhulu, kuya kubakho ukufuna ukucebisa.