... 1.1.1.1 Tin kinh Tin kinh l khong thi gian cú ri lon kinh nguyt trc xy kinh, ngi ph n cú ri lon hoc ht kinh nguyt, khụng cũn phúng noón, nng hormone sinh dc gim thp [12],[18],[20] 1.1.1.2 Tui kinh ... tui kinh li mun li nm t thp k 70 [14] Theo Trn Xuõn Hoan tui trung bỡnh ca ph n TMK l 47,0 2,7 tui [15] 1.1.1.3 Cỏc triu chng TMK Ri lon kinh nguyt: Kinh mau, kinh tha, vũng kinh ngn, lng kinh ... (32,5%), tng huyt ỏp, ri lon kinh nguyt chim t l thp hn u l 13,5% 3.1.2.4 V tỡnh trng kinh nguyt ca i tng nghiờn cu Bng 3.8 c im v kinh nguyt (Chu k kinh; s ngy cú kinh; Lng kinh) c im n Chu k KN :...