Age at menopause and reproductive determinants in Polish women

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Polskie Towarzystwo Antropologiczne

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Selected reproductive determinants of age at menopause were analyzed using data from a representative sample of 4354 women aged 35-65 years. The data were collected in cross-sectional surveys carried out in Wielkopolska and Western part of Poland in the years 1998 to 2001. Menopausal status and median and mean ages at menopause were estimated with the use of retrospective and status-quo methods. It was found that the median age at natural menopause, estimated by probit analysis, was 50.1 years. Women, who had been treated with HRT (Hormonal Replacement Therapy) in the period perimenopause, underwent manopause significantly later - their median age at menopause was 52.9 years. Results of ANOVA revealed that of all characteristic of female reproduction taken into consideration, age at menarche and lenght of menstruation cycle had significant influence on age at menopause. Menopause occurred markedly later in women who began to menstruate after 15 years of age and whose menstrual cycles lasted longer than 32 days. Reproductive determinants were considered as a complex factor. Stepwise multiple regression analysis with backward elimination revealed that the reproductive determinants including the lenght of menstruation cycle, age at menarhe, age at first and last pregnancies and lenght of lactation in combination affected age at menopause.




Menarche, Menstruation cycle, Menopausal status, Reproduction


Anthropological Review, vol. 64, 2001, pp. 57-72



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Uniwersytet im. Adama Mickiewicza w Poznaniu
Biblioteka Uniwersytetu im. Adama Mickiewicza w Poznaniu
Ministerstwo Nauki i Szkolnictwa Wyższego