N. Bajos, C. Moreau, H. Leridon, and M. Ferrand, Pourquoi le nombre d'avortements n'a-t-il pas baissé en France depuis 30 ans ?, p.4, 2004.

A. Vilain and S. Rey, 216 700 interruptions volontaires de grossesse en, 2017.

K. Inserm, . Health, and . Roche, Enquête épidémiologique nationale sur le surpoids et l'obésité -ObEpi, 2012.

, Santé publique France. Étude de santé sur l'environnement, la biosurveillance, l'activité physique et la nutrition (Esteban), pp.2014-2016, 2017.

M. Thomsen and B. G. Nordestgaard, Myocardial Infarction and Ischemic Heart Disease in Overweight and Obesity With and Without Metabolic Syndrome, JAMA Intern Med, vol.174, issue.1, pp.15-22, 2014.

W. Ageno, C. Becattini, T. Brighton, R. Selby, and P. W. Kamphuisen, Cardiovascular Risk Factors and Venous Thromboembolism: A Meta-Analysis. Circulation, vol.117, pp.93-102, 2008.

A. B. Edelman, G. Cherala, and F. Z. Stanczyk, Metabolism and pharmacokinetics of contraceptive steroids in obese women: a review, Contraception, vol.82, issue.4, pp.314-337, 2010.

M. J. Rosenberg, M. S. Waugh, and T. E. Meehan, Use and misuse of oral contraceptives: Risk indicators for poor pill taking and discontinuation. Contraception, vol.51, pp.283-291, 1995.

N. Bajos, K. Wellings, C. Laborde, C. Moreau, and . Group, Sexuality and obesity, a gender perspective: results from French national random probability survey of sexual behaviours, BMJ, vol.340, p.2573, 2010.
URL : https://hal.archives-ouvertes.fr/inserm-00497085

C. H. Chuang, G. A. Chase, D. M. Bensyl, and C. S. Weisman, Contraceptive use by diabetic and obese women. Womens Health Issues, vol.15, pp.167-73, 2005.

L. S. Callegari, K. M. Nelson, D. E. Arterburn, S. W. Prager, M. A. Schiff et al., Factors associated with lack of effective contraception among obese women in the United States, Contraception, vol.90, issue.3, pp.265-71, 2014.

B. T. Nguyen, J. L. Elia, C. Y. Ha, and B. E. Kaneshiro, Pregnancy Intention and Contraceptive Use among Women by Class of Obesity: Results from the, National Survey of Family Growth, vol.28, issue.1, pp.51-59, 2006.

A. Mckeating, A. Higgins, C. Turner, L. Mcmahon, S. R. Sheehan et al., The relationship between unplanned pregnancy and maternal body mass index 2009-2012, Eur J Contracept Reprod Health Care, vol.20, issue.6, pp.409-427, 2015.

M. Mazuy, L. Toulemon, and É. Baril, Le nombre d'IVG est stable, mais moins de femmes y ont recours, Population, vol.69, issue.3, pp.365-98, 2014.

. Legifrance, Décret n° 2004-636 du 1er juillet 2004 relatif aux conditions de réalisation des interruptions volontaires de grossesse hors établissements de santé et modifiant le code de la santé publique (deuxième partie : partie Réglementaire), 2018.

, Physical status: the use and interpretation of anthropometry, 2019.

, Obésité et surpoids, World Health Organization, 2018.

M. Ng, T. Fleming, M. Robinson, B. Thomson, N. Graetz et al., Global, regional, and national prevalence of overweight and obesity in children and adults during 1980-2013: a systematic analysis for the Global Burden of Disease Study 2013. The Lancet, vol.384, pp.766-81, 2014.

L. R. Brunner-huber and C. J. Hogue, The Association Between Body Weight, Unintended Pregnancy Resulting in a Livebirth, and Contraception at the Time of Conception, Matern Child Health J, vol.9, issue.4, pp.413-433, 2005.

B. Kaneshiro, A. Edelman, N. Carlson, M. Nichols, and J. Jensen, The relationship between body mass index and unintended pregnancy: results from the 2002 National Survey of Family Growth, Contraception, vol.77, issue.4, pp.234-242, 2008.

E. K. Tjeertes, S. E. Hoeks, S. B. Beks, T. M. Valentijn, A. G. Hoofwijk et al., Obesity -a risk factor for postoperative complications in general surgery?, BMC Anesthesiol, vol.15, p.112, 2015.

F. Bouwman, A. Smits, A. Lopes, N. Das, A. Pollard et al., The impact of BMI on surgical complications and outcomes in endometrial cancer surgery-An institutional study and systematic review of the literature, Gynecol Oncol, vol.139, issue.2, pp.369-76, 2015.

L. S. Benson, E. A. Micks, C. Ingalls, and S. W. Prager, Safety of Outpatient Surgical Abortion for Obese Patients in the First and Second Trimesters, Obstet Gynecol, vol.128, issue.5, pp.1065-70, 2016.

K. S. Mark, B. Bragg, T. Talaie, K. Chawla, L. Murphy et al., Risk of complication during surgical abortion in obese women, Am J Obstet Gynecol, vol.218, pp.238-239, 2018.

M. Guiahi, G. Schiller, J. Sheeder, and S. Teal, Safety of first-trimester uterine evacuation in the outpatient setting for women with common chronic conditions, Contraception, vol.92, issue.5, pp.453-460, 2015.

M. A. Strafford, J. Mottl-santiago, A. Savla, N. Soodoo, and L. Borgatta, Relationship of obesity to outcome of medical abortion, Am J Obstet Gynecol, issue.5, pp.34-40, 0200.

J. Marchi, M. Berg, A. Dencker, E. K. Olander, and C. Begley, Risks associated with obesity in pregnancy, for the mother and baby: a systematic review of reviews, Obes Rev, vol.16, issue.8, pp.621-659, 2015.

N. Chabbert-buffet, H. Marret, A. Agostini, C. Cardinale, N. Hamdaoui et al., Contraception : Recommandations pour la Pratique Clinique du CNGOF
URL : https://hal.archives-ouvertes.fr/hal-02314926

, Gynecol Obstet Fertil Senol, vol.46, issue.12, pp.760-76, 2018.

A. Vahratian, J. S. Barber, J. M. Lawrence, and C. Kim, Family-Planning Practices Among Women With Diabetes and Overweight and Obese Women in the 2002 National Survey for Family Growth. Diabetes Care, vol.32, pp.1026-1057, 2009.

A. Schraudenbach and S. Mcfall, Contraceptive Use and Contraception Type in Women by Body Mass Index Category. Womens Health Issues, vol.19, pp.381-390, 2009.

R. Scott-ram, J. Chor, V. Bhogireddy, L. Keith, and A. Patel, Contraceptive choices of overweight and obese women in a publically funded hospital: possible clinical implications, Contraception, vol.86, issue.2, pp.122-128, 2012.

K. Bhuva, J. L. Kraschnewski, E. B. Lehman, and C. H. Chuang, Does body mass index or weight perception affect contraceptive use? Contraception, vol.95, pp.59-64, 2017.

J. E. Kohn, P. M. Lopez, and H. R. Simons, Weight and body mass index among female contraceptive clients, Contraception, vol.91, issue.6, pp.470-473, 2015.

D. Rahib, L. Guen, M. Lydié, N. Santé-publique, and F. , Baromètre santé 2016 -Contraception, 2018.

E. R. Pomp, S. Le-cessie, F. R. Rosendaal, and C. Doggen, Risk of venous thrombosis: obesity and its joint effect with oral contraceptive use and prothrombotic mutations, Br J Haematol, vol.139, issue.2, pp.289-96, 2007.

H. Gronier-gouvernel and R. G. , Risques cardiovasculaires de la contraception orale estro-progestative : au-delà de la polémique?, Gynecol Obstet Fertil, vol.42, issue.3, pp.174-81, 2014.

, World Health Organization Collaborative Study of cardiovascular disease and steroid hormone contraception. Acute myocardial infarction and combined oral contraceptives: results of an international multicentre case-control study. The Lancet, vol.349, pp.1202-1211, 1997.

, World Health Organization Collaborative Study of cardiovascular disease and steroid hormone contraception. Ischaemic stroke and combined oral contraceptives: results of an international, multicentre, case-control study. The Lancet, vol.348, pp.498-505, 1996.

G. Plu-bureau, J. Hugon-rodin, L. Maitrot-mantelet, and M. Canonico, Hormonal contraceptives and arterial disease: An epidemiological update, Best Pract Res Clin Endocrinol Metab, vol.27, issue.1, pp.35-45, 2013.

Ø. Lidegaard, E. Løkkegaard, A. Jensen, C. W. Skovlund, and N. Keiding, Thrombotic stroke and myocardial infarction with hormonal contraception, N Engl J Med, vol.366, issue.24, pp.2257-66, 2012.

J. Baillargeon, D. K. Mcclish, P. A. Essah, and J. E. Nestler, Association between the Current Use of Low-Dose Oral Contraceptives and Cardiovascular Arterial Disease: A Meta-Analysis, J Clin Endocrinol Metab, vol.90, issue.7, pp.3863-70, 2005.

B. C. Tanis, M. A. Van-den-bosch, J. M. Kemmeren, V. M. Cats, F. M. Helmerhorst et al., Oral Contraceptives and the Risk of Myocardial Infarction, N Engl J Med, vol.345, issue.25, pp.1787-93, 2001.

P. Urrutia, R. Coeytaux, R. R. Mcbroom, A. J. Gierisch, J. M. Havrilesky et al., Risk of Acute Thromboembolic Events With Oral Contraceptive Use: A Systematic Review and Meta-analysis, Obstet Gynecol, vol.122, issue.2, pp.380-389, 2013.

K. L. Margolis, H. O. Adami, J. Luo, W. Ye, and E. Weiderpass, A prospective study of oral contraceptive use and risk of myocardial infarction among Swedish women, Fertil Steril, vol.88, issue.2, pp.310-316, 2007.

L. A. Gillum, S. K. Mamidipudi, and S. C. Johnston, Ischemic Stroke Risk With Oral Contraceptives: A Meta-analysis, JAMA, vol.284, issue.1, pp.72-80, 2000.

J. Kemmeren, B. Tanis, M. Van-den-bosch, E. Bollen, F. M. Helmerhorst et al., Risk of Arterial Thrombosis in Relation to Oral Contraceptives (RATIO) Study: Oral Contraceptives and the Risk of Ischemic Stroke, Stroke, vol.33, issue.5, pp.1202-1210, 2002.

S. M. Schwartz, D. B. Petitti, D. S. Siscovick, W. T. Longstreth, S. Sidney et al., Stroke and Use of Low-Dose Oral Contraceptives in Young Women: A Pooled Analysis of Two US Studies, Stroke, vol.29, issue.11, pp.2277-84, 1998.

W. S. Chan, J. Ray, E. K. Wai, S. Ginsburg, M. E. Hannah et al., Risk of Stroke in Women Exposed to Low-Dose Oral Contraceptives: A Critical Evaluation of the Evidence, Arch Intern Med, vol.164, issue.7, pp.741-748, 2004.

R. Roach, F. M. Helmerhorst, W. M. Lijfering, T. Stijnen, A. Algra et al., Combined oral contraceptives: the risk of myocardial infarction and ischemic stroke. Cochrane Database Syst Rev, p.11054, 2015.

P. Gourdy, A. Bachelot, S. Catteau-jonard, N. Chabbert-buffet, C. et al., Hormonal contraception in women at risk of vascular and metabolic disorders: Guidelines of the French Society of Endocrinology, Ann Endocrinol, vol.73, issue.5, pp.469-87, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00932019

Z. Chakhtoura, M. Canonico, A. Gompel, P. Scarabin, and G. Plu-bureau, Progestogen-Only Contraceptives and the Risk of Acute Myocardial Infarction: A Meta-Analysis, J Clin Endocrinol Metab, vol.96, issue.4, pp.1169-74, 2011.
URL : https://hal.archives-ouvertes.fr/inserm-01148769

Z. Chakhtoura, M. Canonico, A. Gompel, J. Thalabard, P. Scarabin et al., Progestogen-Only Contraceptives and the Risk of Stroke: A Meta-Analysis. Stroke, vol.40, pp.1059-62, 2009.
URL : https://hal.archives-ouvertes.fr/inserm-01148966

M. De-bastos, B. H. Stegeman, F. R. Rosendaal, A. Van-hylckama-vlieg, F. M. Helmerhorst et al., Combined oral contraceptives: venous thrombosis. Cochrane Database Syst Rev, p.10813, 2014.

A. Van-hylckama-vlieg, F. M. Helmerhorst, J. P. Vandenbroucke, C. Doggen, and F. R. Rosendaal, The venous thrombotic risk of oral contraceptives, effects of oestrogen dose and progestogen type: results of the MEGA case-control study, BMJ, vol.339, p.2921, 2009.

, World Health Organization Collaborative Study of Cardiovascular Disease and Steroid Hormone Contraception. Venous thromboembolic disease and combined oral contraceptives: results of international multicentre case-control study. The Lancet, vol.346, pp.1575-82, 1995.

G. Plu-bureau, L. Maitrot-mantelet, J. Hugon-rodin, and M. Canonico, Hormonal contraceptives and venous thromboembolism: An epidemiological update, Best Pract Res Clin Endocrinol Metab, vol.27, issue.1, pp.25-34, 2013.

O. Lidegaard, L. H. Nielsen, C. W. Skovlund, F. E. Skjeldestad, and E. Lokkegaard, Risk of venous thromboembolism from use of oral contraceptives containing different progestogens and oestrogen doses: Danish cohort study, BMJ, vol.343, p.6423, 2011.

J. Dinger, D. Minh, T. Heinemann, and K. , Impact of estrogen type on cardiovascular safety of combined oral contraceptives, Contraception, vol.94, issue.4, pp.328-367, 2016.

I. Duijkers, C. Klipping, Y. Zimmerman, N. Appels, M. Jost et al., Inhibition of ovulation by administration of estetrol in combination with drospirenone or levonorgestrel: Results of a phase II dose-finding pilot study, Eur J Contracept Reprod Health Care, vol.20, issue.6, pp.476-89, 2015.

M. Mawet, C. Maillard, C. Klipping, Y. Zimmerman, J. M. Foidart et al., Unique effects on hepatic function, lipid metabolism, bone and growth endocrine parameters of estetrol in combined oral contraceptives, Eur J Contracept Reprod Health Care, vol.20, issue.6, pp.463-75, 2015.

K. Fleischer, H. A. Van-vliet, F. R. Rosendaal, J. Rosing, S. Tchaikovski et al., Effects of the contraceptive patch, the vaginal ring and an oral contraceptive on APC resistance and SHBG: A cross-over study, Thromb Res, vol.123, issue.3, pp.429-464, 2009.

, Contraception chez la femme adulte en âge de procréer (hors post-partum et post-IVG), 2018.

A. A. Sultan, J. West, L. J. Tata, K. M. Fleming, C. Nelson-piercy et al., Risk of first venous thromboembolism in and around pregnancy: a population-based cohort study, Br J Haematol, vol.156, issue.3, pp.366-73, 2012.

A. L. Nightingale, R. A. Lawrenson, E. L. Simpson, T. J. Williams, K. D. Macrae et al., The effects of age, body mass index, smoking and general health on the risk of venous thromboembolism in users of combined oral contraceptives, Eur J Contracept Reprod Health Care, vol.5, issue.4, pp.265-74, 2000.

A. Bergendal, V. Odlind, I. Persson, and H. Kieler, Limited knowledge on progestogen-only contraception and risk of venous thromboembolism, Acta Obstet Gynecol Scand, vol.88, issue.3, pp.261-267, 2009.

L. G. Horton, K. B. Simmons, and K. M. Curtis, Combined hormonal contraceptive use among obese women and risk for cardiovascular events: A systematic review, Contraception, vol.94, issue.6, pp.590-604, 2016.

S. Sidney, D. S. Siscovick, D. B. Petitti, S. M. Schwartz, C. P. Quesenberry et al., Myocardial Infarction and Use of Low-Dose Oral Contraceptives: A Pooled Analysis of 2 US Studies, Circulation, vol.98, issue.11, pp.1058-63, 1998.

M. Lobert, M. Pigeyre, H. Gronier, S. Catteau-jonard, and R. G. , Contraception et obésité, Gynecol Obstet Fertil, vol.43, issue.11, pp.740-747, 2015.

C. L. Westhoff, A. H. Torgal, E. R. Mayeda, M. C. Pike, and F. Z. Stanczyk, Pharmacokinetics of a combined oral contraceptive in obese and normal-weight women, Contraception, vol.81, issue.6, pp.474-80, 2010.

A. B. Edelman, N. E. Carlson, G. Cherala, M. Y. Munar, R. L. Stouffer et al., Impact of obesity on oral contraceptive pharmacokinetics and hypothalamic-pituitaryovarian activity, Contraception, vol.80, issue.2, pp.119-146, 2009.

W. J. Jusko, Clarification of contraceptive drug pharmacokinetics in obesity, vol.95, pp.10-16, 2017.

A. B. Edelman, G. Cherala, M. Y. Munar, B. Dubois, M. Mcinnis et al., Prolonged monitoring of ethinyl estradiol and levonorgestrel levels confirms an altered pharmacokinetic profile in obese oral contraceptives users, Contraception, vol.87, issue.2, pp.220-226, 2013.

M. Dragoman, K. Petrie, A. Torgal, T. Thomas, S. Cremers et al., Contraceptive vaginal ring effectiveness is maintained during 6 weeks of use: a prospective study of normal BMI and obese women, Contraception, vol.87, issue.4, pp.432-438, 2013.

A. Hautanen, Synthesis and regulation of sex hormone-binding globulin in obesity, Int J Obes Relat Metab Disord, vol.24, issue.S2, pp.64-70, 2000.

S. A. Willis, T. J. Kuehl, A. M. Spiekerman, and P. J. Sulak, Greater inhibition of the pituitaryovarian axis in oral contraceptive regimens with a shortened hormone-free interval, Contraception, vol.74, issue.2, pp.100-103, 2006.

S. Mornar, L. Chan, S. Mistretta, A. Neustadt, S. Martins et al., Pharmacokinetics of the etonogestrel contraceptive implant in obese women, Am J Obstet Gynecol, vol.207, issue.2, pp.110-111, 2012.

B. Seeber, S. C. Ziehr, A. Gschlie?er, C. Moser, V. Mattle et al., Quantitative levonorgestrel plasma level measurements in patients with regular and prolonged use of the levonorgestrel-releasing intrauterine system, Contraception, vol.86, issue.4, pp.345-354, 2012.

M. M. Hidalgo, C. Hidalgo-regina, M. V. Bahamondes, I. Monteiro, C. A. Petta et al., Serum levonorgestrel levels and endometrial thickness during extended use of the levonorgestrel-releasing intrauterine system, Contraception, vol.80, issue.1, pp.84-93, 2009.

P. Praditpan, A. Hamouie, C. N. Basaraba, R. Nandakumar, S. Cremers et al., Pharmacokinetics of levonorgestrel and ulipristal acetate emergency contraception in women with normal and obese body mass index, Contraception, vol.95, issue.5, pp.464-473, 2017.

A. B. Edelman, G. Cherala, S. W. Blue, D. W. Erikson, and J. T. Jensen, Impact of obesity on the pharmacokinetics of levonorgestrel-based emergency contraception: single and double dosing, Contraception, vol.94, issue.1, pp.52-59, 2016.

G. Schramm and G. Schrah, The efficacy and safety of an oral contraceptive containing chlormadinone acetate: results of a pooled analysis of noninterventional trials in adult and adolescent women, Contraception, vol.84, issue.4, pp.390-401, 2011.

S. T. Nakajima, J. Pappadakis, and D. F. Archer, Body mass index does not affect the efficacy or bleeding profile during use of an ultra-low-dose combined oral contraceptive. Contraception, vol.93, pp.52-59, 2016.

R. T. Burkman, A. C. Fisher, G. J. Wan, C. E. Barnowski, and K. D. Laguardia, Association between efficacy and body weight or body mass index for two low-dose oral contraceptives, Contraception, vol.79, issue.6, pp.424-431, 2009.

L. M. Lopez, A. Bernholc, M. Chen, T. W. Grey, C. Otterness et al., Hormonal contraceptives for contraception in overweight or obese women. Cochrane Database Syst Rev, p.8452, 2016.

M. V. Dragoman, K. B. Simmons, M. E. Paulen, and K. M. Curtis, Combined hormonal contraceptive (CHC) use among obese women and contraceptive effectiveness: a systematic review, Contraception, vol.95, issue.2, pp.117-146, 2017.

M. Yamazaki, K. Dwyer, M. Sobhan, D. Davis, M. Kim et al., Effect of obesity on the effectiveness of hormonal contraceptives: an individual participant data metaanalysis, Contraception, vol.92, issue.5, pp.445-52, 2015.

J. Dinger, D. Minh, T. Buttmann, N. Bardenheuer, and K. , Effectiveness of Oral Contraceptive Pills in a Large U.S. Cohort Comparing Progestogen and Regimen: Obstet Gynecol, vol.117, pp.33-40, 2011.

K. B. Simmons and A. B. Edelman, Hormonal contraception and obesity, Fertil Steril, vol.106, issue.6, pp.1282-1290, 2016.

M. Zieman, J. Guillebaud, E. Weisberg, G. A. Shangold, A. C. Fisher et al., Contraceptive efficacy and cycle control with the Ortho Evra TM /Evra TM transdermal system: the analysis of pooled data, Fertil Steril, vol.77, issue.2, pp.13-18, 2002.

J. C. Dinger, M. Cronin, S. Möhner, I. Schellschmidt, T. D. Minh et al., Oral contraceptive effectiveness according to body mass index, weight, age, and other factors, Am J Obstet Gynecol, vol.201, issue.3, pp.263-264, 2009.

, Planification familiale : manuel à l'intention des prestataires de services du monde entier, 2018.

K. Gemzell-danielsson, D. Apter, B. Hauck, T. Schmelter, S. Rybowski et al., The Effect of Age, Parity and Body Mass Index on the Efficacy, Safety, Placement and User Satisfaction Associated With Two Low-Dose Levonorgestrel Intrauterine Contraceptive Systems: Subgroup Analyses of Data From a Phase III Trial, PLoS One, vol.10, issue.9, p.135309, 2015.

J. Trussell, G. Rodr-guez, and C. Ellertson, New estimates of the effectiveness of the uzpe regimen of emergency contraception, Contraception, vol.57, issue.6, pp.363-372, 1998.

T. C. Jatlaoui and K. M. Curtis, Safety and effectiveness data for emergency contraceptive pills among women with obesity: a systematic review, Contraception, vol.94, issue.6, pp.605-616, 2016.

A. Glasier, S. T. Cameron, D. Blithe, B. Scherrer, H. Mathe et al., Can we identify women at risk of pregnancy despite using emergency contraception? Data from randomized trials of ulipristal acetate and levonorgestrel, Contraception, vol.84, issue.4, pp.363-370, 2011.

N. Kapp, J. L. Abitbol, H. Mathé, B. Scherrer, H. Guillard et al., Effect of body weight and BMI on the efficacy of levonorgestrel emergency contraception, Contraception, vol.91, issue.2, pp.97-104, 2015.

K. Gemzell-danielsson, L. Kardos, and H. Von-hertzen, Impact of bodyweight/body mass index on the effectiveness of emergency contraception with levonorgestrel: a pooledanalysis of three randomized controlled trials, Curr Med Res Opin, vol.31, issue.12, pp.2241-2249, 2015.

C. Moreau and J. Trussell, Results from pooled Phase III studies of ulipristal acetate for emergency contraception, Contraception, vol.86, issue.6, pp.673-80, 2012.

K. Cleland, H. Zhu, N. Goldstuck, L. Cheng, and J. Trussell, The efficacy of intrauterine devices for emergency contraception: a systematic review of 35 years of experience, Hum Reprod, vol.27, issue.7, pp.1994-2000, 2012.

M. Lê, M. Laveissière, and C. Pélissier, Facteurs associés à la prise de poids chez les femmes utilisant des contraceptifs oraux : enquête par sondage réalisée en 2001 auprès de 1665 femmes, Gynecol Obstet Fertil, vol.31, issue.3, pp.230-239, 2003.

A. M. Nault, J. F. Peipert, Q. Zhao, T. Madden, and G. M. Secura, Validity of perceived weight gain in women using long-acting reversible contraception and depot medroxyprogesterone acetate, Am J Obstet Gynecol, vol.208, issue.1, pp.48-49, 2013.

L. M. Dickerson, V. A. Diaz, J. Jordan, E. Davis, S. Chirina et al., Satisfaction, Early Removal, and Side Effects Associated With Long-Acting Reversible Contraception, Fam Med, vol.45, issue.10, pp.701-708, 2013.

L. M. Gaudet, S. Kives, P. M. Hahn, and R. L. Reid, What women believe about oral contraceptives and the effect of counseling. Contraception, vol.69, pp.31-37, 2004.

F. Lakha and A. F. Glasier, Continuation rates of Implanon® in the UK: data from an observational study in a clinical setting, Contraception, vol.74, issue.4, pp.287-296, 2006.

M. F. Gallo, L. M. Lopez, D. A. Grimes, F. Carayon, K. F. Schulz et al., Combination contraceptives: effects on weight. Cochrane Database Syst Rev, p.3987, 2014.

L. M. Lopez, R. S. Chen, M. Edelman, A. Otterness, C. Trussell et al., Progestin-only contraceptives: effects on weight. Cochrane Database Syst Rev, p.8815, 2016.

A. Napolitano, R. Zanin, F. Palma, C. Romani, G. Grandi et al., Body composition and resting metabolic rate of perimenopausal women using continuous progestogen contraception, Eur J Contracept Reprod Health Care, vol.21, issue.2, pp.168-75, 2016.

W. Modesto, N. Dal´ava, I. Monteiro, and L. Bahamondes, Body composition and bone mineral density in users of the etonogestrel-releasing contraceptive implant, Arch Gynecol Obstet, vol.292, issue.6, pp.1387-91, 2015.

N. Dal'ava, L. Bahamondes, M. V. Bahamondes, A. De-oliveira-santos, and I. Monteiro, Body weight and composition in users of levonorgestrel-releasing intrauterine system, Contraception, vol.86, issue.4, pp.350-353, 2012.

P. N. Silva-dos-santos, T. Madden, K. Omvig, and J. F. Peipert, Changes in body composition in women using long-acting reversible contraception, vol.95, pp.382-391, 2017.

A. Rocha, R. Campos, M. Miranda, L. Raspante, M. Carneiro et al., Safety of hormonal contraception for obese women, Expert Opin Drug Saf, vol.16, issue.12, pp.1387-93, 2017.

, Surpoids et obésité de l'adulte : prise en charge médicale de premier recours

, Obésité : prise en charge chirurgicale chez l'adulte, 2018.

J. Hazart, C. Lahaye, N. Farigon, P. Vidal, K. Slim et al., Évolution du recours à la chirurgie bariatrique en France entre, Bull Epidemiol Hebd, issue.5, pp.84-92, 2008.

M. A. Maggard, I. Yermilov, Z. Li, M. Maglione, S. Newberry et al., Pregnancy and Fertility Following Bariatric Surgery: A Systematic Review, JAMA, vol.300, pp.2286-96, 2008.

Z. O. Merhi, Weight loss by bariatric surgery and subsequent fertility, Fertil Steril, vol.87, issue.2, pp.430-432, 2007.

, Bariatric Surgery and Pregnancy, ACOG Practice Bulletin, vol.113, issue.105, pp.1405-1418, 2009.

Z. O. Merhi, Revisiting optimal hormonal contraception following bariatric surgery, Contraception, vol.87, issue.2, pp.131-134, 2013.

M. E. Paulen, L. B. Zapata, C. Cansino, K. M. Curtis, and D. J. Jamieson, Contraceptive use among women with a history of bariatric surgery: a systematic review, Contraception, vol.82, issue.1, pp.86-94, 2010.

J. Hanker, Gastrointestinal disease and oral contraception, Am J Obstet Gynecol, vol.163, issue.6, pp.2204-2211, 1990.

A. Victor, V. Odlind, and J. Kral, Oral contraceptive absorption and sex hormone binding globulins in obese women: effects of jejunoileal bypass, Gastroenterol Clin North Am, vol.16, issue.3, pp.483-91, 1987.

E. Gerrits, R. Ceulemans, R. Van-hee, L. Hendrickx, and E. Totté, Contraceptive treatment after biliopancreatic diversion needs consensus, Obes Surg, vol.13, issue.3, pp.378-82, 2003.

A. Andersen, P. Lebech, T. Sorensen, and B. Borggaard, Sex hormone levels and intestinal absorption of estradiol and D-norgestrel in women following bypass surgery for morbid obesity, Int J Obes, vol.6, issue.1, pp.91-97, 1982.

H. Weiss, H. Nehoda, B. Labeck, K. Hourmont, C. Marth et al., Pregnancies after adjustable gastric banding, Obes Surg, vol.11, issue.3, pp.303-309, 2001.

J. Matta, M. Zins, A. Feral-pierssens, C. Carette, A. Ozguler et al., Prévalence du surpoids, de l'obésité et des facteurs de risque cardio-métaboliques dans la cohorte Constances, Bull Epidemiol Hebd, pp.640-646, 2016.

P. Faucher and C. Rayr, Peut-on simplifier la procédure de l'avortement médicamenteux ?, J Gynecol Obstet Biol Reprod, issue.41, pp.8-10, 2012.

C. Rossier, F. Michelot, N. Bajos, and . Cocon-group, Modeling the process leading to abortion: an application to French survey data, Stud Fam Plann, vol.38, issue.3, pp.163-72, 2007.

K. B. Simmons and A. B. Edelman, Contraception and sexual health in obese women, Best Pract Res Clin Obstet Gynaecol, vol.29, issue.4, pp.466-78, 2015.

D. E. Broughton and K. H. Moley, Obesity and female infertility: potential mediators of obesity's impact. Fertil Steril, vol.107, pp.840-847, 2017.

H. F. Escobar-morreale, E. Santacruz, M. Luque-ramírez, B. Carretero, and J. I. , Prevalence of 'obesity-associated gonadal dysfunction' in severely obese men and women and its resolution after bariatric surgery: a systematic review and meta-analysis. Hum Reprod Update, vol.23, pp.390-408, 2017.

G. Bozdag, S. Mumusoglu, D. Zengin, E. Karabulut, and B. O. Yildiz, The prevalence and phenotypic features of polycystic ovary syndrome: a systematic review and metaanalysis, Hum Reprod, vol.31, issue.12, pp.2841-55, 2016.

L. J. Moran, R. J. Norman, and H. J. Teede, Metabolic risk in PCOS: phenotype and adiposity impact, Trends Endocrinol Metab, vol.26, issue.3, pp.136-179, 2015.

G. Law, D. C. Maclehose, R. F. Longnecker, and M. P. , Obesity and Time to Pregnancy, Hum Reprod, vol.22, issue.2, pp.414-434, 2007.

J. W. Van-der-steeg, P. Steures, M. Eijkemans, J. Habbema, P. Hompes et al., Obesity affects spontaneous pregnancy chances in subfertile, ovulatory women, Hum Reprod, vol.23, issue.2, pp.324-332, 2008.

B. Luke, M. B. Brown, J. E. Stern, S. A. Missmer, V. Y. Fujimoto et al., Female obesity adversely affects assisted reproductive technology (ART) pregnancy and live birth rates, Hum Reprod, vol.26, issue.1, pp.245-52, 2011.

M. Metwally, K. Ong, W. Ledger, and T. Li, Does high body mass index increase the risk of miscarriage after spontaneous and assisted conception? A meta-analysis of the evidence, Fertil Steril, vol.90, issue.3, pp.714-740, 2008.

H. Lashen, Obesity is associated with increased risk of first trimester and recurrent miscarriage: matched case-control study, Hum Reprod, vol.19, issue.7, pp.1644-1650, 2004.

M. B. Cavalcante, M. Sarno, A. B. Peixoto, A. Júnior, E. Barini et al., Obesity and recurrent miscarriage: A systematic review and meta-analysis, J Obstet Gynaecol Res, vol.45, issue.1, pp.30-38, 2019.

A. Koning, M. Mutsaerts, W. Kuchenbecher, F. J. Broekmans, J. A. Land et al., Complications and outcome of assisted reproduction technologies in overweight and obese women, Hum Reprod, vol.27, issue.2, pp.457-67, 2012.

S. Sihvo, N. Bajos, B. Ducot, and M. Kaminski, Women's life cycle and abortion decision in unintended pregnancies, J Epidemiol Community Health, vol.57, issue.8, pp.601-606, 2003.

D. G. Foster, R. A. Jackson, K. Cosby, T. A. Weitz, P. D. Darney et al., Predictors of delay in each step leading to an abortion, Contraception, vol.77, issue.4, pp.289-93, 2008.

C. Fattah, N. Farah, S. C. Barry, N. O'connor, B. Stuart et al., Maternal weight and body composition in the first trimester of pregnancy, Acta Obstet Gynecol Scand, vol.89, issue.7, pp.952-957, 2010.

I. Niedhammer, I. Bugel, S. Bonenfant, M. Goldberg, and A. Leclerc, Validity of self-reported weight and height in the French GAZEL cohort, Int J Obes, vol.24, issue.9, pp.1111-1119, 2000.

L. R. Brunner-huber, Validity of Self-reported Height and Weight in Women of Reproductive Age. Matern Child Health J, vol.11, pp.137-181, 2007.

C. L. Westhoff, A. T. Torgal, E. R. Mayeda, N. Shimoni, F. Z. Stanczyk et al., Predictors of noncompliance in an oral contraceptive clinical trial, Contraception, vol.85, issue.5, pp.465-474, 2012.

A. M. Kaunitz, D. Portman, C. L. Westhoff, D. F. Archer, D. R. Mishell et al., Self-reported and verified compliance in a phase 3 clinical trial of a novel low-dose contraceptive patch and pill, Contraception, vol.91, issue.3, pp.204-214, 2015.

S. Dupuis, J. Antomarchi, V. Dani, M. Dorez, and J. Delotte, Évaluation lors d'une IVG des freins à l'utilisation de la contraception d'urgence, Gynecol Obstet Fertil Senol, vol.46, pp.696-700, 2018.

C. Moreau, J. Trussell, J. Desfreres, and N. Bajos, Patterns of contraceptive use before and after an abortion: results from a nationally representative survey of women undergoing an abortion in France, Contraception, vol.82, issue.4, pp.337-381, 2010.

A. Ohannessian and C. Jamin, Contraception après interruption volontaire de grossesse, J Gynecol Obstet Biol Reprod, vol.45, issue.10, pp.1568-76, 2016.

E. Reifsnider, N. Mendias, Y. Davila, B. Babendure, and J. , Contraception and the obese woman, J Am Assoc Nurse Pract, vol.25, issue.5, pp.223-256, 2013.

C. Vayssière, A. Gaudineau, L. Attali, K. Bettahar, S. Eyraud et al., L'interruption volontaire de grossesse : recommandations pour la pratique clinique -Texte des recommandations (Texte court), J Gynecol Obstet Biol Reprod, vol.45, issue.10, pp.1596-603, 2016.

, Contraception chez la femme après une interruption volontaire de grossesse (IVG), 2019.

M. C. Cheng, S. C. Chew, J. Cheong, H. T. Choo, S. S. Ratnam et al., Safety of postabortion sterilisation compared with interval sterilisation. A controlled study. The Lancet, vol.2, pp.682-687, 1979.

S. Mittal, Contraception after medical abortion, Contraception, vol.74, issue.1, pp.56-60, 2006.

, IVG médicamenteuse : les protocoles à respecter

D. Hassoun and I. Périn, L'interruption volontaire de grossesse médicamenteuse dans un centre de planification familiale, J Gynecol Obstet Biol Reprod, vol.35, issue.5, pp.483-492, 2006.

M. Provansal, R. Mimari, B. Grégoire, A. Agostini, X. Thirion et al., Interruption volontaire de grossesse médicamenteuse à domicile et à l'hôpital : étude d'efficacité et d'acceptabilité, Gynecol Obstet Fertil, vol.37, pp.850-856, 2009.

C. Auvara, Observance de la consultation post-IVG médicamenteuse dans la métropole Nice Côte d'Azur. Enquête de 3 mois auprès de 160 patientes, 2013.

P. Faucher, Complications de l'interruption volontaire de grossesse, J Gynecol Obstet Biol Reprod, vol.45, issue.10, pp.1536-51, 2016.

K. S. Oppegaard, E. Qvigstad, C. Fiala, O. Heikinheimo, L. Benson et al., Clinical follow-up compared with self-assessment of outcome after medical abortion: a multicentre, non-inferiority, randomised, controlled trial. The Lancet, vol.385, pp.698-704, 2015.

K. Bettahar, A. Pinton, T. Boisramé, V. Cavillon, S. Wylomanski et al., Interruption volontaire de grossesse par voie médicamenteuse, J Gynecol Obstet Biol Reprod, vol.45, issue.10, pp.1490-514, 2016.

, Vous consultez au Centre Hospitalier Universitaire de Bordeaux pour la réalisation d'une Interruption Volontaire de Grossesse (IVG)

, Nous vous proposons de participer à une étude qui a pour but de comparer l'Indice de Masse Corporelle (IMC) chez les patientes en demande d'IVG. L'IMC

, Répartition de l'âge et de l'IMC dans notre population Répartition de l'âge dans notre population Répartition de l'IMC dans notre population SERMENT D'HIPPOCRATE

, Au moment d'être admise à exercer la médecine, je promets et je jure d'être fidèle aux lois de l'honneur et de la probité

, Mon premier souci sera de rétablir, de préserver ou de promouvoir la santé dans tous ses éléments, physiques et mentaux, individuels et sociaux

, Je respecterai toutes les personnes, leur autonomie et leur volonté, sans aucune discrimination selon leur état ou leurs convictions. J'interviendrai pour les protéger si elles sont affaiblies, vulnérables ou menacées dans leur intégrité ou leur dignité. Même sous la contrainte

, Je ne tromperai jamais leur confiance et n'exploiterai pas le pouvoir hérité des circonstances pour forcer les consciences

, Je ne me laisserai pas influencer par la soif du gain ou la recherche de la gloire

, Admise dans l'intimité des personnes, je tairai les secrets qui me seront confiés. Reçue à l'intérieur des maisons, je respecterai les secrets des foyers et ma conduite ne servira pas à corrompre les moeurs. Je ferai tout pour soulager les souffrances. Je ne prolongerai pas abusivement les agonies

, Je n'entreprendrai rien qui dépasse mes compétences. Je les entretiendrai et les perfectionnerai pour assurer au mieux les services qui me seront demandés

, J'apporterai mon aide à mes confrères ainsi qu'à leurs familles dans l'adversité

, Que les hommes et mes confrères m'accordent leur estime si je suis fidèle à mes promesses ; que je sois déshonorée et méprisée si j'y manque