Iminyaka yokuzala ixesha apho umfazi ekwazi ukuzala umntwana, kwaye umntu uyakwazi ukuwufaka umquba. Ngokwemvelo, oku kunokwenzeka ukusuka kwimihla yokuqala ukuya ekuqaliseni ukuphuma kwesisu. Ngokuqhelekileyo kuqwalaselwa ukuba eli xesha livela kwiminyaka eyi-15 ukuya kweyama-49. Kodwa ngokwenene le minyaka ingaphantsi, kuba kufuneka uqikelele kwakhona ukulungelelanisa kwengqondo, iimpawu zokuphuhliswa kwendalo kunye nokuba nesondo. Kwimabhinqa namadoda, iimpawu zenkcubeko yokuzala zihluka ngeendlela ezahlukeneyo. Ngoko ke, ngokuqhelekileyo amandla okukhulelwa umntwana acingelwa ngabanye.
Ininzi idla ngokukholelwa ukuba ibanga elihle kakhulu lokuzalisa la madoda namabhinqa lisuka kwiminyaka engama-20 ukuya kwe-35. Ngalesi sikhathi, umntu uzaliswe ngokuzeleyo kwaye ulungele ngokwengqondo ukubeletha. Kodwa ngokwemfundiso, ibhinqa linokuzala umntwana onempilo kwiminyaka eyi-14-15, kunye nakwi-50. Yaye indoda ingaba ngubaba ngo-15 nangama-60 kwiminyaka. Kodwa ngokwenene ixesha apho umntu akwazi ukukhulelwa umntwana kumabhinqa kuncinci kwiminyaka eyi-10, kunye namadoda angama-20. Iingcali zihlukanisa ixesha elide lokubeletha.
Iminyaka yokuqala yokuzala kwabafazi
Kukholelwa ukuba umfazi unokukhulelwa umntwana ukususela ekuqaleni kokuya esikhathini. Ewe, ngokwenene, iqanda sele lilungele ukuchumisa, kodwa i-little girl's unformed organism ayinakukwazi ukunyamezela umntwana ophilileyo. Kwiimeko ezininzi zokukhulelwa kwexesha lokuqala, zenzeke, i-toxemia enamandla kunye nomngcipheko wokukhulelwa kwesisu. Abantwana balaba baomama baya kuba nzima kwaye banokunyuka ngokunyaniseka. Ukongezelela, ngeli nqanaba le ntokazi ayengakulungeli ngokwengqondo ukuba unina. Ngako oko, ixesha ukusuka kwinyanga yokuqala ukuya kwiminyaka engama-20 kuthiwa yimihla yokuqala yokuzala.
Ixesha elihle lokuzalwa komntwana
Uninzi oogqirha, bethetha ngento ekuthethwa ngayo kwiminyaka yobudala, cinga ngethuba lokusukela kwiminyaka eyi-20 ukuya kwe-35. Ngeli xesha, abaninzi abafazi banako ukunyamezela umntwana onempilo, kuba bancinci, banamandla kwaye banemvelaphi evamile yehommoni. Umzimba wabo wenziwe ngokupheleleyo kwaye ulungele umama. Kubaluleke kakhulu kukukhula kwengqondo kwabamama abalindele kunye nokukwazi kwabo ukuthatha uxanduva lomntwana wabo.
Ixesha elidala lokuzala
Emva kweminyaka engama-35, abaninzi abafazi banokupheliswa kwemisebenzi yesondo, ukuveliswa kwama-hormone kunciphisa kwaye impilo iyancipha. Ngokuqinisekileyo, oku akukwenzeka kubantu bonke, kodwa oogqirha abaninzi abanconywa ukuba bazalwe. Ubudala bexesha lokuzalana lixesha elide apho umfazi usenokuba ngumzimba onokukwazi ukukhulelwa umntwana, kodwa ingozi yokuvelisa iingxaki kunye nokungaqhelekanga ngokwemizimba ekuveliseni umntwana, umzekelo, isifo se-Down , sikhulu. Xa uneminyaka yobudala, le nto inokunyuka, ehambelana nokungalingani kwe-hormonal kunye nokungonakaliswa ngokubanzi kwimpilo. Xa uneminyaka engama-45 ukuya ku-50, ukuphuma kwindoda kwenzeka kumabhinqa, kwaye ukukhula komzimba akunakwenzeka.
Ubudala bokuzala bomntu
Ngokumalunga neempawu zomzimba wesilisa, ixesha elifanelekileyo lokukhulelwa lincinci kunabesifazane. Indoda inako ukuba ngubaba eneminyaka eyi-15, kunye nokuveliswa kwe-spermatozoa, nangona iyancipha emva kweminyaka engama-35, kodwa inokuhlala ifikelela kwiminyaka engama-60 ubudala. Kodwa ezininzi iingcali zinciphisa ubudala obudala bokuzala besilisa kwisikhokelo esifanayo njengabasetyhini: ukususela kwiminyaka engama-20 ukuya kwe-35. Kulo xesha kuphela ukukhupha i-hormone i-testosterone ngokukhawuleza inikezela isixa esivamile kunye ne-motility ye-spermatozoa.
Basetyhini banamhlanje banomdla kakhulu kumbuzo wendlela yokwandisa iminyaka yobudala. Kodwa ekubeni umsebenzi wokubeletha unxulumene nemvelaphi ye-hormonal, ngokuqhelekileyo akuxhomekeke kumnqweno womntu. Ukuthintela ukuphazamiseka kwe-hormone , kufuneka uholele indlela yokuphila enempilo kwaye uzame ukuthabatha iziyobisi ngaphandle kokumisela ugqirha.
Zonke iintsapho ezifuna ukuba nomntwana zifuna ukwazi ukuba iminyaka yobudala ithetha ntoni. Oku kuya kubanceda bagweme iingxaki zokukhulelwa kunye nokukhulelwa, baze babele umntwana ophilileyo.