P. Curbilie, État des lieux des outils en ligne d'aide à la décision médicale en consultation de médecine générale, 2015.

G. Femmes, Prise en charge gynécologique, 2009.

N. Bajos, M. Rouzaud-cornabas, H. Panjo, A. Bohet, C. Moreau et al., La crise de la pilule en France : vers un nouveau modèle contraceptif ?, 2009.

B. J. Oddens, Determinants of contraceptive use among women of reproductive age in Great Britain and Germany II: psychological factors, J Biosoc Sci, vol.29, issue.04, pp.437-470, 1997.

N. Bajos, A. Bohet, M. L. Guen, and C. Moreau, La contraception en France : nouveau contexte, nouvelles pratiques ?, p.2012

W. H. Organization, Natural family planning : a guide to provision of services. Planificación natural de la familia : guía para la prestación de servicios, 1988.

C. Rogers, Client Centred Therapy (New Ed). Hachette UK, vol.429, 2012.

P. Robin-quach, Connaître les représentations du patient pour optimiser le projet éducatif, To Know the Patient's Representations to Optimize the Educational Project, Rech Soins Infirm, issue.98, pp.36-68

C. Pope and N. Mays, Qualitative Research in Health Care, vol.143, 2013.

A. Tong, P. Sainsbury, and J. Craig, Consolidated criteria for reporting qualitative research (COREQ): a 32-item checklist for interviews and focus groups, Int J Qual Health Care, vol.19, issue.6, pp.349-57, 2007.

L. Vandevusse, L. Hanson, R. J. Fehring, A. Newman, and J. Fox, Couples' Views of the Effects of Natural Family Planning on Marital Dynamics, J Nurs Scholarsh, vol.35, issue.2, pp.171-177, 2003.

R. J. Fehring, Self-esteem, spiritual well-being, and intimacy: a comparison among couples using NFP and oral...-Abstract-Europe PMC, Int Rev, vol.13, issue.3-4, pp.227-263

T. Durand-viel, Vécu des couples utilisateurs de la planification naturelle familiale, et rôle du médecin généraliste Une étude qualitative [Qualitative study, 2014.

P. Frank-herrmann, G. Freundl, C. Gnoth, E. Godehardt, J. Kunert et al., Natural family planning with and without barrier method use in the fertile phase: efficacy in relation to sexual behavior: a German prospective long-term study, Adv Contracept, vol.13, issue.2-3, pp.179-189, 1997.

N. F. Planning-ic-of-mrtf-on, Field trial of Billings Ovulation Method of natural family planning. Contraception. 1996 février, vol.53, pp.69-74

P. Frank-herrmann, J. Heil, C. Gnoth, E. Toledo, S. Baur et al., The effectiveness of a fertility awareness based method to avoid pregnancy in relation to a couple's sexual behaviour during the fertile time: a prospective longitudinal study. Hum Reprod, vol.22, pp.1310-1319, 2007.

M. P. Howard and J. B. Stanford, Pregnancy Probabilities During Use of the Creighton Model Fertility Care System, Arch Fam Med, vol.8, issue.5, p.391, 1999.

E. Odeblad, La découverte des différents types de glaire cervicale et la méthode de l'ovulation Billings. Bull Cent Régulation Naiss Par Méthodes Nat Counc Vic, vol.21, 1994.

F. Centre-billings, Connaître sa fécondité par la méthode naturelle des Docteurs Billings, 2007.

J. Trussell and L. Grummer-strawn, Further analysis of contraceptive failure of the ovulation method, Am J Obstet Gynecol, vol.165, issue.6, pp.2054-2063, 1991.

M. D. Manhart, M. Duane, A. Lind, I. Sinai, and J. Golden-tevald, Fertility awareness-based methods of family planning: A review of effectiveness for avoiding pregnancy using SORT. Osteopath Fam Physician, vol.5, pp.2-8, 2013.

T. W. Hilgers and J. B. Stanford, Creighton Model NaProEducation Technology for avoiding pregnancy. Use effectiveness, J Reprod Med, vol.43, issue.6, pp.495-502, 1998.

I. Sinai, V. Jennings, and M. Arévalo, The twoday algorithm: a new algorithm to identify the fertile time of the menstrual cycle, Contraception, vol.60, issue.2, pp.65-70, 1999.

M. Arévalo, V. Jennings, M. Nikula, and I. Sinai, Efficacy of the new TwoDay Method of family planning, Fertil Steril, vol.82, issue.4, pp.885-92, 2004.

T. Barras-kubski and . Aa, Allaitement et fertilité, vol.60, 2017.

C. Van-der-wijden and C. Manion, Lactational amenorrhoea method for family planning, Cochrane Database of Systematic Reviews

C. Gautier-lavaste, Planification familiale naturelle Enquête auprès d'internes en médecine générale : Connaissances, intérêts pour le sujet, enseignement à la faculté et place dans une consultation au cabinet [Quantitative study, 2007.

J. Trussell, A. M. Lalla, Q. V. Doan, E. Reyes, L. Pinto et al., Cost effectiveness of contraceptives in the United States, Contraception, vol.79, issue.1, pp.5-14, 2009.

R. H. Wettstein, C. Bourgeois, and . La-symptothermie-complete, La Contraception-ou ConceptionEcologique pour Tous!

G. Freundl, P. Frank-herrmann, E. Godehardt, R. Klemm, and M. Bachhofer, Retrospective clinical trial of contraceptive effectiveness of the electronic fertility indicator Ladycomp/Babycomp, Adv Contracept Off J Soc Adv Contracept, vol.14, issue.2, pp.97-108, 1998.

R. T. Kambic and V. Lamprecht, Calendar rhythm efficacy: a review, Adv Contracept, vol.12, issue.2, pp.123-131, 1996.

M. Arévalo, I. Sinai, and V. Jennings, A fixed formula to define the fertile window of the menstrual cycle as the basis of a simple method of natural family planning, Contraception, vol.60, issue.6, pp.357-60, 1999.

M. Arévalo, V. Jennings, and I. Sinai, Efficacy of a new method of family planning: the Standard Days Method?, Contraception, vol.65, issue.5, pp.333-341, 2002.

Z. Kursun, S. Cali, and S. Sakarya, The Standard Days Method®: Efficacy, satisfaction and demand at regular family planning service delivery settings in Turkey, Eur J Contracept Reprod Health Care, vol.19, issue.3, pp.203-213, 2014.

R. J. Fehring, M. Schneider, K. Raviele, and M. L. Barron, Efficacy of Cervical Mucus Observations Plus Electronic Hormonal Fertility Monitoring as a Method of Natural Family Planning, J Obstet Gynecol Neonatal Nurs, vol.36, issue.2, pp.152-60, 2007.