D. Herman, T. Baer, M. Adams, E. Cunningham-sabo, L. Duran et al., Life Course Perspective: Evidence for the Role of Nutrition, Maternal and Child Health Journal, vol.12, issue.Suppl 1, pp.450-61, 2014.
DOI : 10.1177/1524839909349182

E. Wethington, An Overview of the Life Course Perspective: Implications for Health and Nutrition, Journal of Nutrition Education and Behavior, vol.37, issue.3, pp.115-135, 2005.
DOI : 10.1016/S1499-4046(06)60265-0

N. Wells and K. Lekies, Nature and the Life Course: Pathways from Childhood Nature Experiences to Adult Environmentalism, Child Youth Environ, vol.16, pp.1-24, 2006.

C. Devine, C. Bove, and C. Olson, Continuity and change in women???s weight orientations and lifestyle practices through pregnancy and the postpartum period: the influence of life course trajectories and transitional events, Social Science & Medicine, vol.50, issue.4, pp.567-82, 2000.
DOI : 10.1016/S0277-9536(99)00314-7

E. Szwajcer, G. Hiddink, L. Maas, M. Koelen, and C. Van-woerkum, Nutrition awareness before and throughout different trimesters in pregnancy: a quantitative study among Dutch women, Family Practice, vol.29, issue.suppl 1, pp.82-90, 2012.
DOI : 10.1093/fampra/cmr107

E. Szwajcer, G. Hiddink, M. Koelen, and C. Van-woerkum, Nutrition awareness and pregnancy: Implications for the life course perspective, European Journal of Obstetrics & Gynecology and Reproductive Biology, vol.135, issue.1, pp.58-64, 2007.
DOI : 10.1016/j.ejogrb.2006.11.012

S. Lambert and C. Loiselle, Health Information???Seeking Behavior, Qualitative Health Research, vol.34, issue.3, pp.1006-1025, 2007.
DOI : 10.1177/0884217505276256

E. Szwajcer, G. Hiddink, M. Koelen, and C. Van-woerkum, Nutrition-related information-seeking behaviours before and throughout the course of pregnancy: consequences for nutrition communication, European Journal of Clinical Nutrition, vol.53, issue.1, pp.57-65, 2005.
DOI : 10.1038/sj.ejcn.1601966

E. Szwajcer, G. Hiddink, L. Maas, M. Koelen, and C. Van-woerkum, Nutrition-related information-seeking behaviours of women trying to conceive and pregnant women: evidence for the life course perspective, Family Practice, vol.25, issue.Supplement 1, pp.99-104, 2008.
DOI : 10.1093/fampra/cmn077

C. Lucas, K. Charlton, and H. Yeatman, Nutrition Advice During Pregnancy: Do Women Receive it and Can Health Professionals Provide it?, Maternal and Child Health Journal, vol.125, issue.5, pp.2465-78, 2014.
DOI : 10.1177/146642400512500515

URL : http://ro.uow.edu.au/cgi/viewcontent.cgi?article=3408&context=smhpapers

A. Wennberg, A. Lundqvist, U. Högberg, H. Sandström, and K. Hamberg, Women's experiences of dietary advice and dietary changes during pregnancy, Midwifery, vol.29, issue.9, pp.1027-1061, 2013.
DOI : 10.1016/j.midw.2012.09.005

K. Abu-saad and D. Fraser, Maternal Nutrition and Birth Outcomes, Epidemiologic Reviews, vol.32, issue.1, pp.5-25, 2010.
DOI : 10.1093/epirev/mxq001

C. Martin, D. Sotres-alvarez, and A. Siega-riz, Maternal Dietary Patterns during the Second Trimester Are Associated with Preterm Birth, Journal of Nutrition, vol.145, issue.8, pp.1857-64, 2015.
DOI : 10.3945/jn.115.212019

URL : http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4516771

V. Moore, M. Davies, K. Willson, A. Worsley, and J. Robinson, Dietary composition of pregnant women is related to size of the baby at birth, J Nutr, vol.134, pp.1820-1826, 2004.

E. Morales, A. Rodriguez, D. Valvi, C. Iñiguez, A. Esplugues et al., Deficit of vitamin D in pregnancy and growth and overweight in the offspring, International Journal of Obesity, vol.14, issue.1, pp.61-69, 2015.
DOI : 10.1093/aje/kws141

D. Schoenaker, G. Mishra, L. Callaway, and S. Soedamah-muthu, The Role of Energy, Nutrients, Foods, and Dietary Patterns in the Development of Gestational Diabetes Mellitus: A Systematic Review of Observational Studies, Diabetes Care, vol.39, issue.1, pp.16-23, 2016.
DOI : 10.2337/dc15-0540

D. Barker, The Developmental Origins of Adult Disease, Journal of the American College of Nutrition, vol.20, issue.sup6, pp.733-739, 2003.
DOI : 10.1097/00004872-200210000-00013

P. Christian and C. Stewart, Maternal Micronutrient Deficiency, Fetal Development, and the Risk of Chronic Disease, Journal of Nutrition, vol.140, issue.3, pp.437-482, 2010.
DOI : 10.3945/jn.109.116327

S. Muhlhausler and Z. Ong, The Fetal Origins of Obesity: Early Origins of Altered Food Intake, Endocrine, Metabolic & Immune Disorders - Drug Targets, vol.11, issue.3, pp.189-97, 2011.
DOI : 10.2174/187153011796429835

M. Skilton, V. Mikkilä, P. Würtz, M. Ala-korpela, K. Sim et al., Fetal growth, omega-3 (n-3) fatty acids, and progression of subclinical atherosclerosis: preventing fetal origins of disease? The Cardiovascular Risk in Young Finns Study, American Journal of Clinical Nutrition, vol.97, issue.1, pp.58-65, 2013.
DOI : 10.3945/ajcn.112.044198

M. Symonds, M. Mendez, H. Meltzer, B. Koletzko, K. Godfrey et al., Early Life Nutritional Programming of Obesity: Mother-Child Cohort Studies, Annals of Nutrition and Metabolism, vol.62, issue.2, pp.137-182, 2013.
DOI : 10.1159/000345598

K. Goodrich, M. Cregger, S. Wilcox, and J. Liu, A Qualitative Study of Factors Affecting Pregnancy Weight Gain in African American Women, Maternal and Child Health Journal, vol.37, issue.6 Pt 1, pp.432-472, 2013.
DOI : 10.1016/j.ypmed.2003.09.014

M. Kominiarek, F. Gay, and N. Peacock, Obesity in Pregnancy: A Qualitative Approach to Inform an Intervention for Patients and Providers, Maternal and Child Health Journal, vol.209, issue.2, pp.1698-712, 2015.
DOI : 10.1016/j.ajog.2013.03.026

K. Whitaker, S. Wilcox, J. Liu, S. Blair, and R. Pate, African American and White women??s perceptions of weight gain, physical activity, and nutrition during pregnancy, Midwifery, vol.34, pp.211-231, 2016.
DOI : 10.1016/j.midw.2015.11.005

U. Padmanabhan, C. Summerbell, and N. Heslehurst, A qualitative study exploring pregnant women???s weight-related attitudes and beliefs in UK: the BLOOM study, BMC Pregnancy and Childbirth, vol.15, issue.6, p.99, 2015.
DOI : 10.1111/obr.12160

M. Johnson, F. Campbell, J. Messina, L. Preston, B. Woods et al., Weight management during pregnancy: A systematic review of qualitative evidence, Midwifery, vol.29, issue.12, pp.1287-96, 2013.
DOI : 10.1016/j.midw.2012.11.016

M. Chang, S. Nitzke, E. Guilford, C. Adair, and D. Hazard, Motivators and Barriers to Healthful Eating and Physical Activity among Low-Income Overweight and Obese Mothers, Journal of the American Dietetic Association, vol.108, issue.6, pp.1023-1031, 2008.
DOI : 10.1016/j.jada.2008.03.004

A. Tong, P. Sainsbury, and J. Craig, Consolidated criteria for reporting qualitative research (COREQ): a 32-item checklist for interviews and focus groups, International Journal for Quality in Health Care, vol.19, issue.6, pp.349-57, 2007.
DOI : 10.1093/intqhc/mzm042

URL : https://academic.oup.com/intqhc/article-pdf/19/6/349/5070113/mzm042.pdf

R. Krueger and M. Casey, Focus group., 2014.
DOI : 10.1037/10518-189

V. Braun and V. Clarke, Using thematic analysis in psychology, Qualitative Research in Psychology, vol.1, issue.2, pp.77-101, 2006.
DOI : 10.1080/08870440008400302

URL : http://eprints.uwe.ac.uk/11735/2/thematic_analysis_revised_-_final.pdf

S. Fade and J. Swift, Qualitative research in nutrition and dietetics: data analysis issues, Journal of Human Nutrition and Dietetics, vol.25, issue.2, pp.106-120, 2011.
DOI : 10.1093/her/cyp051

F. Heider, The Psychology of Interpersonal Relations, 1958.
DOI : 10.1037/10628-000

T. Wilson, Human information behavior, Informing Sci J, vol.3, pp.49-56, 2000.

G. Potier-de-courcy, M. Deheeger, F. Chaveroux, P. Cornet, F. Fuchs et al., L'alimentation de femmes enceintes parisiennes et lilloises, Cah Nutr Diététique, vol.33, pp.29-40, 1998.

J. Quinlan and D. Hill, Nausea and Vomiting in Pregnancy, Am Fam Physician, vol.68, pp.121-129, 2003.

J. Richter, Gastroesophageal reflux disease during pregnancy, Gastroenterology Clinics of North America, vol.32, issue.1, pp.235-61, 2003.
DOI : 10.1016/S0889-8553(02)00065-1

M. Bessières, S. Cassaing, J. Fillaux, and A. Berrebi, Toxoplasmose et grossesse, Revue Francophone des Laboratoires, vol.2008, issue.402, pp.39-50, 2008.
DOI : 10.1016/S1773-035X(08)71783-0

C. Charlier-woerther and M. Lecuit, List??riose et grossesse, La Presse M??dicale, vol.43, issue.6, pp.676-82, 2014.
DOI : 10.1016/j.lpm.2014.03.006

R. Ferrari, A. Siega-riz, K. Evenson, M. Moos, and K. Carrier, A qualitative study of women's perceptions of provider advice about diet and physical activity during pregnancy, Patient Education and Counseling, vol.91, issue.3, pp.372-379, 2013.
DOI : 10.1016/j.pec.2013.01.011

H. Escalon, C. Bossard, F. Beck, and . Dir, Baromètre santé nutrition Saint Denis: Institut National de Prévention et d'Education pour la Santé, 2008.

D. Copelton, ???You are What You Eat???: Nutritional Norms, Maternal Deviance, and Neutralization of Women's Prenatal Diets, Deviant Behavior, vol.92, issue.5, pp.467-94, 2007.
DOI : 10.1177/146642409711700503

C. Anderson, T. Walch, S. Lindberg, A. Smith, S. Lindheim et al., Excess Gestational Weight Gain in Low-Income Overweight and Obese Women: A Qualitative Study, Journal of Nutrition Education and Behavior, vol.47, issue.5, pp.404-415, 2015.
DOI : 10.1016/j.jneb.2015.05.011

L. Block, S. Grier, T. Childers, B. Davis, J. Ebert et al., From Nutrients to Nurturance: A Conceptual Introduction to Food Well-Being, Journal of Public Policy & Marketing, vol.30, issue.1, pp.5-13, 2011.
DOI : 10.1509/jppm.30.1.5

S. Chang, Y. Chao, and N. Kenney, I Am a Woman and I'm Pregnant: Body Image of Women in Taiwan During the Third Trimester of Pregnancy, Birth, vol.60, issue.2, pp.147-53, 2006.
DOI : 10.1046/j.1440-1800.2001.00088.x

. Ministère-du-travail, . Emploi, . De, and . Santé, Programme National Nutrition Santé, 2011.

A. Brown and A. Avery, Healthy weight management during pregnancy: what advice and information is being provided, Journal of Human Nutrition and Dietetics, vol.14, issue.4, pp.378-87, 2012.
DOI : 10.1016/S0266-6138(98)90098-5

K. Whitaker, S. Wilcox, J. Liu, S. Blair, and R. Pate, Patient and Provider Perceptions of Weight Gain, Physical??Activity, and Nutrition Counseling during Pregnancy:??A??Qualitative Study, Women's Health Issues, vol.26, issue.1, pp.116-138, 2016.
DOI : 10.1016/j.whi.2015.10.007

Z. Weir, J. Bush, S. Robson, C. Mcparlin, J. Rankin et al., Physical activity in pregnancy: a qualitative study of the beliefs of overweight and obese pregnant women, BMC Pregnancy and Childbirth, vol.52, issue.6, p.18, 2010.
DOI : 10.1016/j.jmwh.2006.10.016

Z. Sui, D. Turnbull, and J. Dodd, Overweight and Obese Women???s Perceptions About Making Healthy Change During Pregnancy: A Mixed Method Study, Maternal and Child Health Journal, vol.320, issue.7227, pp.1879-87, 2013.
DOI : 10.1136/bmj.320.7227.114

I. , K. Health, . Roche, and . Obepi, Enquête épidémiologique nationale sur le surpoids et l'obésité. Roche; 2012 p. 60, 2016.

H. Autorité and D. Santé, Comment mieux informer les femmes enceintes ? -Recommandations pour les professionnels de santé. Paris: Haute Autorité de Santé, 2005.