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  • Title: Dietary and metabolic differences in pre- versus postmenopausal women taking or not taking hormone replacement therapy.
    Author: Reimer RA, Debert CT, House JL, Poulin MJ.
    Journal: Physiol Behav; 2005 Feb 15; 84(2):303-12. PubMed ID: 15708782.
    Abstract:
    While hormonal fluctuations during the menstrual cycle are known to affect energy intake, changes in dietary intake at menopause and specifically with hormone replacement therapy (HRT) are less well understood. Our objective was to assess dietary macro- and micronutrient intakes in premenopausal women (PEMW) in the luteal and follicular phases and postmenopausal women (PSMW) taking or not taking HRT. Serum estradiol and progesterone as well as resting energy expenditure (REE) and respiratory exchange ratio (RER) were measured. In the 9 PEMW, daily energy intake was 19% higher during the luteal versus follicular phase (2089+/-178 vs. 1752+/-158 kcal/day, p<0.05). The luteal phase was characterized by higher intake of total and saturated fat and a lower micronutrient density. In the 7 PSMW not taking HRT and 6 women taking HRT, there was no significant difference in total energy or macronutrient intake. Neither PEMW nor PSMW met national nutritional recommendations for folate, vitamin D, vitamin E and calcium. Serum progesterone levels were positively correlated with protein intake and negatively correlated with percent carbohydrate in the diet. REE was lower (p<0.05) in PSMW not taking HRT, but not in those taking HRT compared to young women. We confirm increased energy intake in the luteal phase in PEMW but found no difference in energy intake between PSMW taking or not taking HRT. While the quality of the diet in PSMW women was closer to national nutritional recommendations, several at risk nutrients that have been linked to health and disease were found in both groups.
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