1Department of Clinical Nutrition,School of Nutritional Sciences and Dietetics,Tehran University of Medical Sciences,no. 44,Hojjatdoost Street,Naderi Avenue,Keshavarz Boulevard,Tehran, 14166-43931,Iran. 2Department of Gynecology and Obstetrics,Roointan-Arash Maternity Hospital,Tehran University of Medical Sciences,Eastern 162th Street,Baghdarnia Avenue,Resalat Highway,Tehranpars,Tehran,16539-15981,Iran. 4Department of Epidemiology and Biostatistics,School of Public Health,Tehran University of Medical Sciences,Poorsina Street,Ghods Street, Enghelab Avenue,Tehran, 14176-13151,Iran. 5Endocrinology and Metabolism Research Center,Endocrinology and Metabolism Clinical Sciences Institute,Tehran University of Medical Sciences,Northern Kargar Street, Jalal Al Ahmad Highway, Tehran, 14171-3137,Iran. 6Department of Epidemiology and Reproductive Health,Reproductive Epidemiology Research Center,Royan Institute for Reproductive Biomedicine,Academic Center for Education,Culture and Research, no. 24,Eastern Hafez Alley,Bani Hashem Street,Resalat Highway,Tehran, 16635-148,Iran.