Connor WE (2000) Importance of n-3 fatty acids in health and disease. Am J Clin Nutr 71, 1 Suppl., 171S-175S.
Calder PC (2015) Functional roles of fatty acids and their effects on human health. JPEN J Parenter Enter Nutr 39, 1 Suppl., 18S-32S.
Uauy R, Mena P & Rojas C (2000) Essential fatty acids in early life: structural and functional role. Proc Nutr Soc 59, 3-15.
Lauritzen L, Hansen HS, Jørgensen MH et al. (2001) The essentiality of long chain n-3 fatty acids in relation to development and function of the brain and retina. Prog Lipid Res 40, 1-94.
Clandinin MT, Chappell JE, Leong S et al. (1980) Intrauterine fatty acid accretion rates in human brain: implications for fatty acid requirements. Early Hum Dev 4, 121-129.
Innis SM (2007) Fatty acids and early human development. Early Hum Dev 83, 761-766.
Shulkin M, Pimpin L, Bellinger D et al. (2018) n-3 Fatty acid supplementation in mothers, preterm infants, and term infants and childhood psychomotor and visual development: a systematic review and meta-analysis. J Nutr 148, 409-418.
Salvig JD & Lamont RF (2011) Evidence regarding an effect of marine n-3 fatty acids on preterm birth: a systematic review and meta-analysis. Acta Obstet Gynecol Scand 90, 825-838.
Burchakov D, Kuznetsova I & Uspenskaya Y (2017) Omega-3 long-chain polyunsaturated fatty acids and preeclampsia: trials say 'no,' but is it the final word? Nutrients 9, 1364.
Lin P-Y, Chang C-H, Chong MF-F et al. (2017) Polyunsaturated fatty acids in perinatal depression: a systematic review and meta-analysis. Biol Psychiatry 82, 560-569.
Best KP, Gold M, Kennedy D et al. (2016) Omega-3 longchain PUFA intake during pregnancy and allergic disease outcomes in the offspring: a systematic review and metaanalysis of observational studies and randomized controlled trials. Am J Clin Nutr 103, 128-143.
Hanebutt FL, Demmelmair H, Schiessl B et al. (2008) Longchain polyunsaturated fatty acid (LC-PUFA) transfer across the placenta. Clin Nutr 27, 685-693.
Anon. (2009) Fats and fatty acids in human nutrition. Proceedings of the Joint FAO/WHO Expert Consultation. November 10-14, 2008. Geneva, Switzerland. Ann Nutr Metab 55, 5-300.
Agence nationale de sécurité sanitaire de l'alimentation, de l'environnement et du travail (2011) Actualisation des apports nutritionnels conseillés pour les acides gras - Rapport d'expertise collective. Maisons-Alfort: ANSES.
EFSA Panel on Dietetic Products Nutrition and Allergies (2012) Scientific Opinion on the Tolerable Upper Intake Level of eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA) and docosapentaenoic acid (DPA). EFSA J 10, 2815.
de Groot RHM, Hornstra G, van Houwelingen AC et al. (2004) Effect of alpha-linolenic acid supplementation during pregnancy on maternal and neonatal polyunsaturated fatty acid status and pregnancy outcome. Am J Clin Nutr 79, 251-260.
Bernard JY, De Agostini M, Forhan A et al. (2013) The dietary n6:n3 fatty acid ratio during pregnancy is inversely associated with child neurodevelopment in the EDEN mother-child cohort. J Nutr 143, 1481-1488.
Olsen SF, Hansen HS, Sandström B et al. (1995) Erythrocyte levels compared with reported dietary intake of marine n-3 fatty acids in pregnant women. Br J Nutr 73, 387-395.
Sioen I, van Lieshout L, Eilander A et al. (2017) Systematic review on n-3 and n-6 polyunsaturated fatty acid intake in European countries in light of the current recommendations - focus on specific population groups. Ann Nutr Metab 70, 39-50.
Food and Agriculture Organization of the United Nations (2005) Food-based dietary guidelines - Belgium. http://www.fao.org/nutrition/education/food-based-dietary-guide lines/regions/countries/belgium/en/ (accessed November 2018).
Al MD, van Houwelingen AC, Kester AD et al. (1995) Maternal essential fatty acid patterns during normal pregnancy and their relationship to the neonatal essential fatty acid status. Br J Nutr 74, 55-68.
Otto SJ, Houwelingen AC, Antal M et al. (1997) Maternal and neonatal essential fatty acid status in phospholipids: an international comparative study. Eur J Clin Nutr 51, 232-242.
Hornstra G, Al MD, van Houwelingen AC et al. (1995) Essential fatty acids in pregnancy and early human development. Eur J Obstet Gynecol Reprod Biol 61, 57-62.
Committee on the Toxicological Effects of Methylmercury, National Research Council (2000) Toxicological Effects of Methylmercury. Washington, DC: National Academies Press.
Oken E, Kleinman KP, Berland WE et al. (2003) Decline in fish consumption among pregnant women after a national mercury advisory. Obstet Gynecol 102, 346-351.
Taylor CM, Emmett PM, Emond AM et al. (2018) A review of guidance on fish consumption in pregnancy: is it fit for purpose? Public Health Nutr 21, 2149-2159.
Forbes L, Graham J, Berglund C et al. (2018) Dietary change during pregnancy and women's reasons for change. Nutrients 10, 1032.
Verbeke W, Sioen I, Pieniak Z et al. (2005) Consumer perception versus scientific evidence about health benefits and safety risks from fish consumption. Public Health Nutr 8, 422-429.
Sinikovic DS, Yeatman HR, Cameron D et al. (2009) Women's awareness of the importance of long-chain omega-3 polyunsaturated fatty acid consumption during pregnancy: knowledge of risks, benefits and information accessibility. Public Health Nutr 12, 562-569.
Aaronson LS, Mural CM & Pfoutz SK (1988) Seeking information: where do pregnant women go? Health Educ Q 15, 335-345.
May L, Suminski R, Berry A et al. (2014) Diet and pregnancy: health-care providers and patient behaviors. J Perinat Educ 23, 50-56.
Bloomingdale A, Guthrie LB, Price S et al. (2010) A qualitative study of fish consumption during pregnancy. Am J Clin Nutr 92, 1234-1240.
Emmett R, Akkersdyk S, Yeatman H et al. (2013) Expanding awareness of docosahexaenoic acid during pregnancy. Nutrients 5, 1098-1109.
Hoge A, Bernardy F, Donneau A-F et al. (2018) Low omega- 3 index values and monounsaturated fatty acid levels in early pregnancy: an analysis of maternal erythrocytes fatty acids. Lipids Health Dis 17, 63.
Harris WS & Von Schacky C (2004) The Omega-3 Index: a new risk factor for death from coronary heart disease? Prev Med 39, 212-220.
Harris WS (2007) Omega-3 fatty acids and cardiovascular disease: a case for omega-3 index as a new risk factor. Pharmacol Res 55, 217-223.
Harris WS, Del Gobbo L & Tintle NL (2017) The Omega-3 Index and relative risk for coronary heart disease mortality: estimation from 10 cohort studies. Atherosclerosis 262, 51-54.
Valeri L & Vanderweele TJ (2013) Mediation analysis allowing for exposure-mediator interactions and causal interpretation: theoretical assumptions and implementation with SAS and SPSS macros. Psychol Methods 18, 137-150.
Stark KD, Van Elswyk ME, Higgins MR et al. (2016) Global survey of the omega-3 fatty acids, docosahexaenoic acid and eicosapentaenoic acid in the blood stream of healthy adults. Prog Lipid Res 63, 132-152.
Micha R, Khatibzadeh S, Shi P et al. (2014) Global, regional, and national consumption levels of dietary fats and oils in 1990 and 2010: a systematic analysis including 266 countryspecific nutrition surveys. BMJ 348, g2272.
Koletzko B, Lien E, Agostoni C et al. (2008) The roles of long-chain polyunsaturated fatty acids in pregnancy, lactation and infancy: review of current knowledge and consensus recommendations. J Perinat Med 36, 5-14.
Imhoff-Kunsch B (2011) e-Library of Evidence for Nutrition Actions (eLENA) | Marine oil supplementation in pregnancy and maternal and neonatal health outcomes. http://www. who.int/elena/titles/commentary/fish-oil-pregnancy/en/ (accessed January 2018).
Rogers LK, Valentine CJ & Keim SA (2013) DHA supplementation: current implications in pregnancy and childhood. Pharmacol Res 70, 13-19.
Elagizi A, Lavie CJ, Marshall K et al. (2018) Omega-3 polyunsaturated fatty acids and cardiovascular health: a comprehensive review. Prog Cardiovasc Dis 61, 76-85.
Aung T, Halsey J, Kromhout D et al. (2018) Associations of omega-3 fatty acid supplement use with cardiovascular disease risks. JAMA Cardiol 3, 225-234.
Abdelhamid AS, Brown TJ, Brainard JS et al. (2018) Omega- 3 fatty acids for the primary and secondary prevention of cardiovascular disease. Cochrane Database Syst Rev 7, CD003177.
Bennett K, Frisby BN, Young LE et al. (2014) Vitamin D: an examination of physician and patient management of health and uncertainty. Qual Health Res 24, 375-386.
Bianchi CM, Huneau J-F, Le Goff G et al. (2016) Concerns, attitudes, beliefs and information seeking practices with respect to nutrition-related issues: a qualitative study in French pregnant women. BMC Pregnancy Childbirth 16, 306.
Wardle J, Parmenter K & Waller J (2000) Nutrition knowledge and food intake. Appetite 34, 269-275.
Szwajcer EM, Hiddink GJ, Koelen MA et al. (2005) Nutritionrelated information-seeking behaviours before and throughout the course of pregnancy: consequences for nutrition communication. Eur J Clin Nutr 59, Suppl. 1, S57-S65.
Bookari K, Yeatman H & Williamson M (2017) Informing nutrition care in the antenatal period: pregnant women's experiences and need for support. Biomed Res Int 2017, 4856527.
Kreuter MW, Chheda SG & Bull FC (2000) How does physician advice influence patient behavior? Evidence for a priming effect. Arch Fam Med 9, 426-433.
Quader ZS, Cogswell ME, Fang J et al. (2017) Changes in primary healthcare providers' attitudes and counseling behaviors related to dietary sodium reduction, DocStyles 2010 and 2015. PLoS One 12, e0177693.
von Schacky C (2011) The Omega-3 Index as a risk factor for cardiovascular diseases. Prostaglandins Other Lipid Mediat 96, 94-98.
Markhus MW, Skotheim S, Graff IE et al. (2013) Low omega- 3 index in pregnancy is a possible biological risk factor for postpartum depression. PLoS One 8, e67617.
Ogundipe E, Johnson MR, Wang Y et al. (2016) Periconception maternal lipid profiles predict pregnancy outcomes. Prostaglandins Leukot Essent Fatty Acids 114, 35-43.
Klebanoff MA, Harper M, Lai Y et al. (2011) Fish consumption, erythrocyte fatty acids, and preterm birth. Obstet Gynecol 117, 1071-1077.
Cook DA, Wittich CM, Daniels WL et al. (2016) Incentive and reminder strategies to improve response rate for internet-based physician surveys: a randomized experiment. J Med Internet Res 18, e244.
Dykema J, Jones NR, Piché T et al. (2013) Surveying clinicians by web. Eval Health Prof 36, 352-381.
Berti C, Cetin I, Agostoni C et al. (2016) Pregnancy and infants' outcome: nutritional and metabolic implications. Crit Rev Food Sci Nutr 56, 82-91.
Jordan RG (2010) Prenatal omega-3 fatty acids: review and recommendations. J Midwifery Womens Health 55, 520-528.
Freeman MP & Sinha P (2007) Tolerability of omega-3 fatty acid supplements in perinatal women. Prostaglandins Leukot Essent Fatty Acids 77, 203-208.