Dan ong Viet Nam Cua quy khi cuong dat 11 2cm
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Ngay 29/2, cac bac si thuoc Khoa Nam hoc - BV Binh Dan cho biet o Viet Nam, trung binh, chieu dai duong vat cua nam gioi truong thanh khi xiu la 6,6cm va khi cuong la 11,2cm.
Cuoc nghien cuu nay da duoc thuc hien vao thang 7/2004-11/2005, tren 100 benh nhan nam tuoi tu 18 den 50. Tuoi trung binh cua nhung nguoi tham gia nghien cuu tu 18-48. Ngoai tru nhung nguoi bi roi loan cuong, di tat duong vat, hoac trai qua nhung phau thuat duong vat (tru cat bao quy dau), tuyen tien liet, nieu dao, bang quang. De do do cuong cua duong vat, benh nhan duoc cac bac si cho xem hinh goi cam trong phong toi va tiem thuoc vao the hang gay cuong. Khi duong vat cuong cuc dai, cac bac si dung thuoc cung, do doc mat lung duong vat, tu goc den dinh dau duong vat. Diem kho quan trong nhat trong do kich thuoc duong vat la lam sao do duoc kich thuoc duong vat khi cuong. Truoc day, mot so nghien cuu da tien hanh do duong vat bang phuong phap keo thang. Tuy hai con so do gan bang nhau, nhung chieu dai thuc khi cuong van dai hon. Chieu dai khi cuong chi thuc hien duoc tu khi co thuoc tiem gay cuong, nhung bien phap nay co the gay tai bien cuong dau duong vat keo dai. Trung binh, chieu dai duong vat o nam gioi Viet Nam truong thanh khi xiu la 6,6cm, va khi cuong la 11,2cm. Doi voi nhung duong vat qua nho (neu xiu nho hon 3,8cm, cuong nho hon 7,8cm), theo cac chuyen gia, phau thuat keo dai duong vat can phai duoc can nhac. Con viec su dung chat testosterone chi gay hai hon la loi cho kich thuoc duong vat. Nghien cuu thuc hien tai My, mot quoc gia da chung toc, khong cho biet su khac biet ve kich thuoc duong vat giua cac chung toc. Do dai duong vat trung binh cua nam gioi My la 12,9cm (± 2,9). Trong khi do, nghien cuu tai Malaysia cho thay nguoi goc An co chieu dai duong vat cuong la 13,8cm goc Ma Lai la 12,3cm, va goc Hoa la 11,6cm. Chieu dai duong vat cua nguoi goc Hoa rat gan voi chieu dai cua nguoi dan ong Viet Nam.
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Viet Bao
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