1. Dafallah SE, Yousif EM. A comparative study of twin and triplet pregnancy. Saudi medical journal. 2004
Apr;25(4):502.
2. American College of Obstetricians and Gynecologists, Society for Maternal-Fetal Medicine. ACOG Practice
Bulletin No. 144: Multifetal gestations: twin, triplet, and higher-order multifetal pregnancies. Obstetrics and
gynecology. 2014 May;123(5):1118.
3. Martin JA, Hamilton BE, D P, Sutton PD, Ventura SJ, Menacker F, et al. National Vital Statistics Reports
Births : Final Data for 2013. Statistics (Ber). 2015;64(1):1–104.
4. Lee YM, Cleary-Goldman J, D'Alton ME. The impact of multiple gestations on late preterm (near-term) births.
Clinics in perinatology. 2006 Dec 1;33(4):777-92.
5. Wright VC, Chang J, Jeng G, Macaluso M. Assisted reproductive technology surveillance. Morb Mortal Wkly
Rep [Internet]. 2012;61(7):1–23. Available from: http://www.ncbi.nlm.nih.gov/pubmed/23114281
6. Bortolus R, Zanardo V, Trevisanuto D. [Epidemiology of identical twin pregnancy]. Pediatr Med Chir [Internet]. [cited 2018 Sep 7];23(3–4):153–8. Available from: http://www.ncbi.nlm.nih.gov/pubmed/11723849
7. Katz J, West KP, Khatry SK, LeClerq SC, Christian P, Pradhan EK, et al. Twinning rates and survival of twins
in rural Nepal. Int J Epidemiol [Internet]. 2001 Aug [cited 2018 Sep 7];30(4):802–7. Available from:
http://www.ncbi.nlm.nih.gov/pubmed/11511607
8. Ananth C V., Chauhan SP. Epidemiology of Twinning in Developed Countries. Semin Perinatol [Internet].
2012;36(3):156–61. Available from: http://dx.doi.org/10.1053/j.semperi.2012.02.001
9. Ghassemi H, Harrison G, Mohammad K. An accelerated nutrition transition in Iran. Public Health Nutr
[Internet]. 2002 Feb 22 [cited 2018 Sep 7];5(1A):149–55. Available from:
http://www.journals.cambridge.org/abstract_S1368980002000216
10. Hu FB, Hu FB. Dietary pattern analysis: a new direction in nutritional epidemiology. Curr Opin Lipidol
[Internet]. 2002;13(1):3–9. Available from: http://www.ncbi.nlm.nih.gov/pubmed/11790957
11. Abdi F, Atarodi Z, Mirmiran P, Esteki T. A Review of Nutritional Status in Iranian Population. Focus Sci
[Internet]. 2016;2(3):1–10. Available from: http://focsci.com/archive/article/8
12. Freeland-Graves J, Nitzke S, Denny S, Askew EW, McMahon KE, Owen AL, et al. Position of the American
Dietetic Association: Total diet approach to communicating food and nutrition information. J Am Diet Assoc.
2002;102(1):100–8.
13. Ghafarpour M, Houshiar-Rad A, Kianfar H, Ghaffarpour M. The Manual for Household Measures, Cooking
Yields Factors and Edible Portion of Food [Internet]. Tehran: Keshavarzi Press; 1999 [cited 2018 Sep 7].
Available from: https://www.scienceopen.com/document?vid=e3b677f8-3b9e-4ca8-9f18-34a31647a44b
14. Hosseyni Esfahani F, Jazayeri A, Mirmiran P, Mehrabi Y, Azizi F. Dietary patterns and their association with
socio-demographic and lifestyle factors among Thehrani adults: Tehran Lipid and Glucose Study. J Sch Public
Heal Inst Public Heal Res [Internet]. 2008 [cited 2018 Sep 7];6(1):23–36. Available from:
http://sjsph.tums.ac.ir/browse.php?a_id=149&sid=1&slc_lang=en
15. Rezazadeh1 A, Rashidkhani2 B, Omidvar2 N. Evaluation of major dietary patterns and general and central
obesity in adult women of north Tehran in 2007. Res Med [Internet]. 2010 [cited 2018 Sep 7];33(4):246–58.
Available from: http://pejouhesh.sbmu.ac.ir/browse.php?a_id=693&sid=1&slc_lang=en
16. Hadad Tabrizi S, Haji Faraji M, Houshiar Rad A, Abadi A, Hosseinpanah F. Association between the metabolic
syndrome and food patterns in non-menopause women. Iran J Nutr Sci Food Technol [Internet]. 2010 [cited
2018 Aug 25];5(1):39–48. Available from: http://nsft.sbmu.ac.ir/article-1-277-en.html
17. Hasselbalch AL, Heitmann BL, Kyvik KO, Sorensen TIA. Studies of Twins Indicate That Genetics Influence
Dietary Intake. J Nutr [Internet]. 2008;138(12):2406–12. Available from:
http://jn.nutrition.org/cgi/doi/10.3945/jn.108.087668
18. Turrell G. Determinants of gender differences in dietary behavior. Nutr Res. 1997;17(7):1105–20.
19. Woo J, Leung S, Ho S, Sham A, Lam T, Janus E. Influence of educational level and marital status on dietary
intake, obesity and other cardiovascular risk factors in a Hong Kong Chinese population. Eur J Clin Nutr
[Internet]. 1999;53(6):461–7. Available from: http://www.nature.com/articles/1600777
20. Billson H, Pryer JA, Nichols R. Variation in fruit and vegetable consumption among adults in Britain. An
analysis from the dietary and nutritional survey of British adults. Eur J Clin Nutr. 1999;53(12):946–52.
21. Sánchez-Villegas A, Delgado-Rodríguez M, Martínez-González MÁ, de Irala-Estévez J, Martínez JA, De la
Fuente C, et al. Gender, age, socio-demographic and lifestyle factors associated with major dietary patterns in
the Spanish project SUN (Seguimiento Universidad de Navarra). Eur J Clin Nutr. 2003;57(2):285–92.
22. Park S-Y, Murphy SP, Wilkens LR, Yamamoto JF, Sharma S, Hankin JH, et al. Dietary patterns using the Food
Guide Pyramid groups are associated with sociodemographic and lifestyle factors: the multiethnic cohort study.
J Nutr [Internet]. 2005;135(4):843–9. Available from: http://www.ncbi.nlm.nih.gov/pubmed/15795445
23. van den Bree MB, Eaves LJ, Dwyer JT. Genetic and environmental influences on eating patterns of twins aged
>/=50 y. Am J Clin Nutr [Internet]. 1999;70(4):456–65. Available from:
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=105000
13
24. Teucher B, Skinner J, Skidmore PML, Cassidy A, Tait SJF, Hooper L, et al. Dietary Patterns and Heritability of
Food Choice in a UK Female Twin Cohort How to cite this article : Dietary Patterns and Heritability of Food
Choice in a UK Female Twin Cohort. 2012;10(2007):734–48.
25. Pallister T, Sharafi M, Lachance G, Pirastu N, Mohney RP, MacGregor A, et al. Food Preference Patterns in a
UK Twin Cohort. Twin Res Hum Genet. 2015;18(6):793–805.
26. Keskitalo K, Silventoinen K, Tuorila H, Perola M, Pietiläinen KH, Rissanen A, et al. Genetic and
environmental contributions to food use patterns of young adult twins. Physiol Behav. 2008;93(1–2):235–42.
27. Van Den Berg L, Henneman P, Willems Van Dijk K, Delemarre-Van De Waal HA, Oostra BA, Van Duijn CM,
et al. Heritability of dietary food intake patterns. Acta Diabetol. 2013;50(5):721–6.
28. mirmiran P, Djazayery A, Hosseini esfahani F, Mehrabi Y, Azizi F. Change in food patterns of Tehrani adults and its association with changes in their body weight and body mass index in District 13 of Tehran: Tehran
Lipid and Glucose Study. Iran J Nutr Sci Food Technol [Internet]. 2008 [cited 2018 Sep 7];2(4):67–80.
Available from: http://nsft.sbmu.ac.ir/browse.php?a_id=60&sid=1&slc_lang=en
29. Safarian M, Ghayour-Mobarhan; M sadat S; M, Esmaily H, Nematy; M, Razavi A. Investigation of Dietary
Patterns, Healthy Eating Index and Traditional Risk Factors of Cardiovascular Disease in 35-65 Years Old
Adults of Mashhad. Med J mashhad Univ Med Sci. 2013;56(4):226–35.
30. Deshmukh-Taskar PR, O’Neil CE, Nicklas TA, Yang S-J, Liu Y, Gustat J, et al. Dietary patterns associated
with metabolic syndrome, sociodemographic and lifestyle factors in young adults: the Bogalusa Heart Study.
Public Health Nutr [Internet]. 2009;12(12):2493. Available from:
http://www.journals.cambridge.org/abstract_S1368980009991261
31. Hu FB, Rimm E, Smith-Warner SA, Feskanich D, Stampfer MJ, Ascherio A, et al. Reproducibility and validity
of dietary patterns assessed with a food-frequency questionnaire. Am J Clin Nutr [Internet]. 1999;69(2):243–9.
Available from: http://www.ncbi.nlm.nih.gov/pubmed/9989687
32. Rashid Khani B, Ye W, Terry P, Wolk A. Reproducibility and Validity of Major Dietary Patterns among
Swedish Women Assessed with a Food-Frequency Questionnaire. Am Soc Nutr Sci. 2004;134(6):1541–5.
33. Fallahi E, Anbari K. Identification of dominant dietary patterns in Iranian adults. Lorestan Univ Med Sci Iran.
2012;14(5):29–39.
34. Kerver JM, Yang EJ, Bianchi L, Song WO. Dietary patterns associated with risk factors for cardiovascular
disease in healthy US adults. Am J Clin Nutr [Internet]. 2003;78(6):1103–10. Available from:
http://www.ncbi.nlm.nih.gov/pubmed/14668271
35. Martinez ME, Marshall JR, Sechrest L. Invited commentary: factor analysis and the search for objectivity. Am J
Epidemiol [Internet]. 1998;148(1):17–9. Available from: http://aje.oxfordjournals.org/