Kimanin shekaru 10 ne 'yan mata suka fara lokacin yin jima'i, a lokacin da yarinyar ta fara cin gajiyar jiki da jima'i. Tuni da shekarun 18-20 yarinyar ta kai cikakkiyar jima'i, ta jiki da zamantakewa kuma ya zama cikakke shirye-shirye don ganin aikin haihuwa. A matsayinka na mulkin, a farkon wannan lokacin, canjin yanayi a cikin 'yan mata a shekaru 10 yana fara aiki, yana shafar canje-canje da yawa a cikin jikin wani matashi.
Hormonal canje-canje
Don haka, game da canjin hormonal a cikin 'yan mata a cikin shekaru 10, to, a wannan lokacin akwai canje-canje masu kyau a cikin aiki na jiki. Saboda haka, alal misali, ovaries na 'yan mata a cikin wani lokacin da aka tattara (wannan lokacin, wanda ya fara farawa da shekaru 10 zuwa 13 kuma ya haifar da samuwa ta yau da kullum da kuma ƙara samar da estrogen a cikin ovaries) a karkashin tsarin mulki na yau da kullum ana nufin a saki wani ɗan ƙaramin estrogen hormone, taimaka wa hypothalamus (ɓangare na kwakwalwa). Wannan yana faruwa ta hanyar tsarin "feedback" kuma yana ba ka damar samar da goyon baya ga ƙaddamar da hormone a wani matakin da akai. Amma a lokacin sakewa da jiki da kuma lokacin balaga, "saura" na hypothalamus ya canza kuma a dangane da wannan yana da karuwa mai girma a cikin jerin ciwon estrogen da ovaries, wanda zai haifar da ƙara yawan wannan hormone cikin jini. Dangane da wannan tsari, a wasu 'yan mata, yawan nauyin jiki zai iya karuwa sosai.
Har ila yau, a wannan lokacin, canjin yanayi na faruwa ba kawai a matakin karuwar yawan isrogens da ke gudana a cikin jini, amma a tsawon lokaci, akwai canji a cikin yawan samar da progesterone wanda ovaries ke hadawa a lokacin da aka yiwa jari. Duk waɗannan canje-canje sun shafi rinjaye na tsarin yarinyar kuma sabili da haka haifar da canje-canje na physiological daban-daban.
Wa] annan 'yan matan da suke da shekaru 10 suna fama da rashin jin daɗin jiki, sau da yawa suna barin takwarorin su game da lokacin da suka fara balaga. Da farko, wannan shi ne saboda gaskiyar cewa jikin mai yarinya yana da alaka da samar da hormones.
A hanyar, jima'i, a matsayin mai mulkin, dangantaka da namiji - androgens da kuma kananan ƙwayoyin testosterone, kuma halayen kwayar yarinyar ne, amma sun kasance a ciki a cikin rassan ƙananan maras muhimmanci. Wadannan hormones suna yin ayyuka masu mahimmanci. Don haka, alal misali, suna da alhakin ci gaban girma na gashi a jiki.
Hormonal yana tsallewa kuma yana karuwa a matakin su a jikin yarinyar a lokacin da ake yin jima'i zai iya haifar da canje-canje daban-daban a cikin tunanin da yaron yaro, misali, motsin rai, canje-canjen sauye-sauye, yanayi mai juyayi da damuwa.
Hormonal karu da canje-canje na jiki
A farkon mataki na balaga, girma girma na ovaries da sauran nau'in haihuwa na ciki zai fara. Wadannan samfurori na da banza, a wannan lokacin suna karɓar nauyin ayyukan su.
Rashin tasirin jiki a kan sauye-sauye na farawa: farawa a cikin 'yan mata da yawa suna da yawa a baya, kuma a cikin' yan mata masu launin fata da rashin nauyi suna da jinkiri a canjin jiki a cikin jiki.
A sakamakon ƙananan hormones a cikin jiki, yarinyar ta fara samo siffofin mata: ana yalwata glandan mammary, an saukar da murya, gashin kansa yana farawa. Wannan tsari ana kiransa bayyanar yanayin halayen jima'i. Bayan haka, akwai hanzari na hanzari, wanda ya karu da karuwa a cikin nau'in jima'i na jima'i, haɓaka girma da kuma kashi daya, wanda ake kira insulin-like growth factor I. Wannan shi ne daidai saboda wannan dalili cewa a cikin tsawon shekaru 10 zuwa 12, 'yan mata sun yi girma sosai saboda su 'yan uwan yara maza, kuma bayan duka sunyi kuskuren aiki da yaduwar hormones wanda ya haɗa da kusan dukkanin shekarun' yan mata.