Tuoi day thi & nhung dieu nen biet.

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Tuoi day thi & nhung dieu nen biet

Viec tim hieu nhung gi se dien ra trong giai doan day thi la dieu nen lam. Du ban la nam hay nu thi deu trai qua nhung bien doi quan trong ve tam sinh li....

Tuoi day thi & nhung dieu nen biet - Ban co dau.
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Tuoi day thi & nhung dieu nen biet.

Tuoi day thi & nhung dieu nen biet.




Viec tim hieu nhung gi se dien ra trong giai doan day thi la dieu nen lam. Du ban la nam hay nu thi deu trai qua nhung bien doi quan trong  ve tam sinh li...

Day thi la cach goi khi co the ban bat dau phat trien va co su thay doi. Ngoai tru giai doan au tho, o giai doan day thi, ban se lon nhanh hon cac giai doan phat trien khac trong doi. Ban lon rat nhanh va kham pha nhung dieu moi me...

THOI DIEM BIEN DOI

Den thoi diem nhat dinh, nao tiet ra mot loai hooc mon dac biet duoc goi la kich to sinh duc (goi tat la GnRH). Thong qua he thong  mao mach noi lien giua soi than kinh va tuyen yen voi vung duoi doi, GnRH duoc van chuyen toi la truoc tuyen yen, thuc day cac tuyen noi tiet va su hinh thanh FSH va LH. Cac loai hooc mon sinh duc chinh la FSH va LH (hooc mon cua tuyen yen o nao), oestrogen va progesteron (hooc mon sinh duc chinh cua nu), testosteron (hooc mon sinh duc chinh cua nam, tiet ra tu hai tinh hoan).

Duoi goc do sinh hoc, tuoi day thi la thoi ki truong thanh sinh duc, nghia la bat dau co kha nang sinh con. No duoc the hien o ban gai  bang su co kinh nguyet lan dau va o ban trai  la su phong tinh lan dau.

Cac ban gai  thuong day thi o do tuoi tu 8 den 13 va cac ban nam day thi muon hon, o do tuoi 10 den 15. Day la thoi ki ban khong con la tre con nhung van chua han la nguoi lon.

SU LON VOT

O tuoi day thi, co the phat trien rat nhanh. Ban cao vot den noi quan ao luon bi ngan. Ban co the cao hon 10 cm trong mot nam. Khoang thoi gian  “tang toc” cua co the nay keo dai trong vong 2-3 nam. Va ban khong chi co su thay doi ve chieu cao ma la thay doi toan dien. Voi cac ban nam, vai va nguc no ra dang ke, bung va hong thon lai, co bap nheu len, giong tram hon,... Con voi cac ban nu, co the xuat hien nhung duong cong, mong no nang, vu bat dau phat trien (neu ban ban thay nhuc o duoi vu, hay xem no la dieu tat yeu).

HIEN TUONG KINH NGUYET

Kinh nguyet la hien tuong sinh li binh thuong. Do la dau hieu chung to ban da bat dau rung trung, co kha nang thu thai va sinh con.

Buong trung cua nu nam trong vung xuong chau gom hai bo phan rieng o hai ben: ben trai va ben phai. Chung chua hang ngan trung.

Den tuoi day thi, moi thang buong trung san xuat ra mot trung chin. Trung nay bat dau roi buong trung ( trung rung) di “chu du” trong ong dan trung de den tu cung (da con). Truoc khi trung rung, lop te bao noi mac trong tu cung cung bat dau phat trien day len cung voi cac mach mau tai do, de chuan bi don trung da thu tinh den lam to. Khi den tu cung, neu trung duoc thu tinh no se phat trien thanh thai nhi. Khi khong thu tinh, trung se khong lam to trong lop te bao noi tren, nen lop te bao nay se tu bong ra cung voi mau chay ra ngoai am dao. Hien tuong nay duoc goi la hanh kinh.

Moi chu ki kinh nguyet duoc qui uoc tu ngay dau thay kinh cua ki nay den ngay dau thay kinh cua ki sau. Mot chu ki thuong keo dai 28-32 ngay.Moi ki hanh kinh keo dai 5-7 ngay, va khoang hai tuan sau dau chu ki, mot trung khac se rung va bat dau cuoc hanh trinh.

LONG VA RAU

O ca nam lan nu deu xuat hien long nach va long mu (quanh co quan  sinh duc). Luc dau chi thua thot, sau day hon. Rieng voi nam, bat dau moc rau, ria mep.

MUN

O tuoi day thi mun trung ca xuat hien tren mat, co, tay, chan,... do tuyen mo hoi va tuyen ba hoat dong  manh. Ban nen giu ve sinh da de sach se. Ban nen hoi y kien bac si ve phuong phap tri mun trung ca. Neu ban co hieu biet ve mun trung ca thi tot hon la cho no tu bien mat den khi ban het tuoi thanh nien.

MO HOI

Nhieu ban tuoi teen  bao rang co mot mui la xuat hien o nach va o mot so noi khac tren co the. Den tuoi day thi, cac tuyen mo hoi hoat dong  manh hon va mo hoi tiet ra nhieu hon. Luc moi tiet ra, mo hoi khong co mui, nhung khi dong lai tren da va bi cac vi khuan tren da phan huy, mo hoi se co mui. Muon bot mo hoi nach, ban can tam rua thuong xuyen, mac quan ao loai de tham va hut mo hoi. Ngoai ra, ban con co the giam hoi nach bang cach dung san pham  lan nach, khu mui.

CON GI NUA NHI ?

Buoc vao tuoi day thi, ban gai  thay co quan  sinh duc nhieu khi bi uot vi co chat dich nhay tiet ra. Day la hien tuong sinh li binh thuong cua co the. Chat dich nay xuat hien o cua am dao nen duoc goi la “dich tiet am dao”. Dich thuong co mau trang trong, trang duc hoac hoi nga vang.

O cac ban nam, duong vat rat de “ngoc dau day” vi du moi li do, nhu khi ban co chuyen vui ve, khi thoang nghi den ban gai, khi so hai, khi thuc day vao sang som... Hien tuong xuat tinh lan dau tien vao ban dem chung to ban nam “da lon”. No duoc goi la mong tinh hay co goi la “giac mong uot”. Do la hien tuong binh thuong do tinh dich duoc san sinh va tich luy qua day thi co phan xa tong xuat de lay cho chua cho phan tinh dich moi .

NHUNG BIEN DOI VE CAM XUC

O tuoi nay, ben canh su thay doi ve hinh the ben ngoai thi nhung ben trong cac ban cung xuat hien nhung cam xuc moi la. Ban de nong gian, nhu cau muon thoat khoi su kiem soat cua gia dinh, muon tu lap va muon duoc doi xu nhu nguoi lon. Con cha me thi cho rang cac ban van con tre con nen cac ban hay cai loi cha me va nhung xung dot thuong xay ra. Cac ban can dieu chinh ban tinh tre con cua minh cho phu hop voi tuoi moi lon.

Ban cam thay xau ho khi noi chuyen ve gioi tinh, nhung that ra ban can duoc cung cap nhung thong tin  ve no. Mot so ban manh dan dem nhung thac mac cua minh hoi cha me va luon luon nhan duoc loi giai dap. Nhung neu ban cam thay mac co, khong dam hoi cha me thi con co mot so nguoi khac co the giup ban, nhu bac si, y ta truong hoc, giao vien, trung tam  tu van hoac voi bat cu nguoi lon nao ban cam thay thoai mai khi tro chuyen.

SU PHAT TRIEN KHAC NHAU

Moi nguoi khong giong nhau hoan toan, do do khuynh huong phat trien cung khong nhu nhau. Toc do phat trien tuy thuoc ban than  moi ca nhan. Co the nhung nguoi ban khac co nhung duong cong ro net nhung ban thi khong. Giong noi cua cac ban thay doi nhung giong cua ban thi van the the nhu tre con. Hoac co the ban la co gai  om nhom, cao nhat lop hay mot chang trai duy nhat trong lop phai cao rau.

Nhung rot cuoc, moi nguoi deu trai qua giai doan day thi va nhung su khac biet  giua ban va ban be  se khong con. Do la mot buoc ngoat co ban trong doi song cua moi con nguoi.

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Updated: 29/02/2008 | Views: 1573 | Comments: 0

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