Age at the menopause and onset of the climacteric in women of Martin District, Czechoslovkia. Statistical survey and some biological and social correlations.

In this study, 6877 women were analysed whose ages ranged between 38 and 58 (born between 1909 and 1929) and who had had no artificial menopause. This is 88.04% of the total female population in this actual period of life, living in Martin District in 1967.