Matashi na farko yana rinjayar 'yan mata da yara maza a hanyoyi daban-daban. Ga wasu manyan bambance-bambancen jinsi da suka danganci shekarun haihuwa.
Tsarin jima'i
Yarinya zasu fi jin dadi fiye da yara. Babban dalilin wannan bambance-bambance shi ne cewa 'yan mata suna samun haihuwa fiye da maza. Har ila yau, 'yan mata suna nuna kyakkyawan yanayin haihuwa (shekaru 9 zuwa 16 zuwa shekaru 13-15 don samari), wanda ya fi dacewa da farko.
Dalilin
Yayinda yara suka fara samun tsufa, yawanci ba saboda dalilai masu yawa da aka gano a cikin 'yan mata. Maimakon haka, yara suna iya haifar da abubuwan da ke tattare da ilmin halitta don halayen su fiye da 'yan mata. Musamman ma, yara maza da mata masu haihuwa suna da matsala a cikin tsarin endocrin su, irin su maganganu da glandar da ke ciki ko aikin gwaji.
Nau'in Hanyoyin
A cikin shekarun da suka gabata, masu bincike sun yi imanin cewa samari sun sami amfana daga farkon matashi yayin da 'yan mata suka sami sakamako mai kyau daga matukar farkonsu. Musamman ma, masana kimiyya sun yi imanin cewa samari suna amfani da halayyar jama'a ta hanyar bunkasa su domin ana iya ganin su a matsayin jagora a cikin 'yan uwansu. Ya bambanta, 'yan mata na iya jin kunya ta wurin sahunsu na farko kuma sun kasance ba su da kyau don magance tashin hankali na jima'i . Duk da yake waɗannan ra'ayoyin na iya zama daidai, bincike na baya-bayan nan ya nuna cewa samari da suka fara tsufa suna da ƙananan matsala da matsalolin tunanin mutum idan aka kwatanta da abokansu masu tasowa masu tasowa, kamar dai yadda 'yan mata suka fara.
A takaice dai, yara ba su da amfani ne kawai tun daga farkon lokacin da 'yan mata ke fama da wahala.
Girma
Ko da yake yana da alama cewa yara suna fama da mummunar tasiri daga tsofaffi na haihuwa, sakamakon ba ya zama kamar mummunar yadda suke ga 'yan mata. Alal misali, samari-yayinda kananan yara ba su da wata wahala ta sha wahala kamar yadda mummunan cututtuka na zuciya suke ciki, yayin da samari sukan fara.
Bugu da ƙari, ƙananan yara da ke da kwarewa a cikin kullun suna ganin sun tsere wa batutuwan da suka shafi siffar jikin mutum, darajar kai , da kuma masu ilimin kimiyya wadanda suka fara samari.
Sources:
Ge, Xiaojia, Conger, Rand, & Elder, Jr., Glen. Zuwan shekaru tsufa: Abubuwan da Pubertal ke tasiri game da rashin lafiyar 'yan mata ga wahala ta jiki. Ƙara Yara. 1996. 67: 3386-3400.
Ge, Xiaojia, Conger, Rand, & Elder, Jr., Glen. Abinda ke tsakanin shekarun haihuwa da damuwa a cikin yara maza. Jaridar Bincike a Matasan. 2001. 11: 49-70.
Jami'ar Michigan Health System. Precocious Puberty (Early Puberty). Samun dama a ranar 26 ga Agusta, 2010: http://www.med.umich.edu/yourchild/topics/puberty.htm