期刊
JOURNAL OF THE AMERICAN COLLEGE OF NUTRITION
卷 35, 期 1, 页码 50-58出版社
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/07315724.2014.936983
关键词
dietary patterns; asthenozoospermia; sperm quality; male infertility
资金
- National Nutrition and Food Technology Research Institute, Faculty of Nutrition and Food Technology, Shahid Beheshti University of Medical Science, Tehran, Iran
Objective: The aim of this case-control study was to examine the relationship between dietary patterns and asthenozoospermia risk.Methods: In total, 107 incident asthenozoospermic men and 235 age-matched controls were interviewed through the infertility clinics in Tehran, Iran, from January 2012 to November 2013. Usual dietary intakes were collected using a semiquantitative food frequency questionnaire and semen quality data were analyzed according to the fifth edition of the World Health Organization (WHO) guidelines. Dietary patterns were derived using factor analysis. The first tertile served as the reference category for regression analyses.Results: In principal component analysis, 2 dietary patterns emerged: a prudent pattern (leafy green vegetables, yellow vegetables, other vegetables, tomatoes, fish and other seafood, fruits and natural fruit juices, legumes, whole grains, poultry, tea and coffee, low-fat dairy products, and vegetable oils) and a Western pattern (organ meats, red and processed meats, sugar, soft drinks and confectionary, pasta, rice and refined grains, potatoes, french fries and fast foods, high-fat dairy products, hydrogenated fats, mayonnaise and fatty sauces, and snacks). After adjustment for potential confounders, participants in the highest tertile of the prudent pattern scores had 54% lower risk of asthenozoospermia compared to those in the lowest (p for trend: 0.003). Being in the highest tertile of the Western pattern was positively associated with asthenozoospermia risk (odds ratio [OR] = 2.86; 95% confidence interval [CI], 1.83-2.97).Conclusions: Our findings suggest that adherence to the Western pattern is potentially an unfavorable indicator of asthenozoospermia risk and a diet composed mainly of plant-based foods may be associated with a reduced risk.
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