L. Coeur, S. Kanshana, S. Jourdain, and G. , HIV-1 transmission from mother to child and its prevention Médecine Tropicale: Revue du Corps de Santé Colonial, pp.4-5381, 2003.

E. Megnier-mbo, M. Meye, J. Belembaogo, E. Engoghan, E. Ondo et al., Prevention of mother-to-child transmission of HIV in Gabon. The problem of children lost to follow-up, pp.1703-1707, 2008.

E. Kurewa, G. Kandawasvika, F. Mhlanga, M. Munjoma, M. Mapingure et al., Realities and Challenges of a Five Year Follow Up of Mother and Child Pairs on a PMTCT Program in Zimbabwe, The Open AIDS Journal, vol.5, issue.1, pp.51-59, 2011.
DOI : 10.2174/1874613601105010051

W. Nyandiko, B. Otieno-nyunya, B. Musick, S. Bucher-yiannoutsos, P. Akhaabi et al., Outcomes of HIV-Exposed Children in Western Kenya: Efficacy of Prevention of Mother to Child Transmission in a Resource-Constrained Setting, JAIDS Journal of Acquired Immune Deficiency Syndromes, vol.54, issue.1, pp.42-50, 2010.
DOI : 10.1097/QAI.0b013e3181d8ad51

E. Sibanda, I. Weller, J. Hakim, and F. Cowan, The magnitude of loss to follow-up of HIV-exposed infants along the prevention of mother-to-child HIV transmission continuum of care, AIDS, vol.27, issue.17, pp.2787-97, 2013.
DOI : 10.1097/QAD.0000000000000027

T. Painter, K. Diaby, D. Matia, L. Lin, T. Sibailly et al., Women's reasons for not participating in follow up visits before starting short course antiretroviral prophylaxis for prevention of mother to child transmission of HIV: qualitative interview study, BMJ, vol.329, issue.7465, p.543, 2004.
DOI : 10.1136/bmj.329.7465.543

M. Manzi, R. Zachariah, R. Teck, L. Buhendwa, J. Kazima et al., High acceptability of voluntary counselling and HIV-testing but unacceptable loss to follow up in a prevention of mother-to-child HIV transmission programme in rural Malawi: scaling-up requires a different way of acting, Tropical Medicine & International Health, vol.8, issue.12, pp.1242-50, 2005.
DOI : 10.1111/j.1365-3156.2005.01526.x

C. Lussiana, S. Clemente, A. Ghelardi, M. Lonardi, P. Tarquino et al., Effectiveness of a Prevention of Mother-to-Child HIV Transmission Programme in an Urban Hospital in Angola, PLoS ONE, vol.5, issue.4, p.36381, 2012.
DOI : 10.1371/journal.pone.0036381.t002

F. Kalembo and M. Zgambo, Loss to Followup: A Major Challenge to Successful Implementation of Prevention of Mother-to-Child Transmission of HIV-1 Programs in Sub-Saharan Africa, ISRN AIDS, vol.136, issue.10, pp.1-10, 2012.
DOI : 10.1186/1746-4358-5-14

S. Jones, G. Sherman, and C. Varga, Exploring socio-economic conditions and poor follow-up rates of HIV-exposed infants in Johannesburg, South Africa, AIDS Care, vol.104, issue.4, pp.466-70, 2005.
DOI : 10.1080/09540120412331319723

M. Fewtrell, K. Kennedy, A. Singhal, R. Martin, A. Ness et al., How much loss to follow-up is acceptable in long-term randomised trials and prospective studies?, Archives of Disease in Childhood, vol.93, issue.6, pp.458-61, 2008.
DOI : 10.1136/adc.2007.127316

C. Sofeu, J. Warszawski, A. Ndongo, F. Penda, I. et al., Low Birth Weight in Perinatally HIV-Exposed Uninfected Infants: Observations in Urban Settings in Cameroon, PLoS ONE, vol.80, issue.4, p.93554, 2014.
DOI : 10.1371/journal.pone.0093554.t003

M. Tejiokem, F. A. Penda, I. Guemkam, G. , A. Ndongo et al., Feasibility of Early Infant Diagnosis of HIV in Resource-Limited Settings: The ANRS 12140-PEDIACAM Study in Cameroon, PLoS ONE, vol.5, issue.7, p.21840, 2011.
DOI : 10.1371/journal.pone.0021840.s002

A. Faye, L. Chenadec, J. Dollfus, C. Thuret, I. Douard et al., Early versus Deferred Antiretroviral Multidrug Therapy in Infants Infected with HIV Type 1, Clinical Infectious Diseases, vol.39, issue.11, pp.1692-1700, 2004.
DOI : 10.1086/425739

E. Chiappini, L. Galli, P. Tovo, C. Gabiano, C. Lisi et al., Five-year follow-up of children with perinatal HIV-1 infection receiving early highly active antiretroviral therapy, BMC Infectious Diseases, vol.18, issue.RR-4, p.140, 2009.
DOI : 10.1097/01.aids.0000131334.38172.01

J. Bouyer, . La-régression-logistique-en-Épidémiologie, and . Master, Epidémiologie Quantitative, M2 recherche en Santé Publique Versailles Saint Quentin; 2012. https://cel.archives-ouvertes, p.23

N. Kurewa, M. Munjoma, Z. Chirenje, S. Rusakaniko, A. Hussain et al., Compliance and loss to follow up of HIV negative and positive mothers recruited from a PMTCT programme in Zimbabwe., Central African Journal of Medicine, vol.53, issue.5-8, pp.5-825, 2007.
DOI : 10.4314/cajm.v53i5-8.62609

P. Braitstein, J. Songok, R. Vreeman, K. Wools-kaloustian, P. Koskei et al., ???Wamepotea??? (They Have Become Lost): Outcomes of HIV-Positive and HIV-Exposed Children Lost to Follow-Up From a Large HIV Treatment Program in Western Kenya, JAIDS Journal of Acquired Immune Deficiency Syndromes, vol.57, issue.3, pp.40-46, 2011.
DOI : 10.1097/QAI.0b013e3182167f0d

L. Bwirire, M. Fitzgerald, R. Zachariah, V. Chikafa, M. Massaquoi et al., Reasons for loss to follow-up among mothers registered in a prevention-of-mother-to-child transmission program in rural Malawi, Transactions of the Royal Society of Tropical Medicine and Hygiene, vol.102, issue.12, pp.1195-200, 2008.
DOI : 10.1016/j.trstmh.2008.04.002

D. Coulibaly-traoré, P. Msellati, L. Vidal, C. Ekra, and F. Dabis, The Ditrame (ANRS 049) clinical trial aimed at reducing the mother-child transmission of HIV in Abidjan. Participants' understanding of the trial principles, Presse Médicale, pp.343-50, 1983.

R. Cook, P. Ciampa, M. Sidat, M. Blevins, J. Burlison et al., Predictors of Successful Early Infant Diagnosis of HIV in a Rural District Hospital in Zamb??zia, Mozambique, JAIDS Journal of Acquired Immune Deficiency Syndromes, vol.56, issue.4, pp.104-113, 2011.
DOI : 10.1097/QAI.0b013e318207a535

A. Mirkuzie, S. Hinderaker, M. Sisay, K. Moland, and O. Mørkve, Current status of medication adherence and infant follow up in the prevention of mother to child HIV transmission programme in Addis Ababa: a cohort study, Journal of the International AIDS Society, vol.14, issue.1, p.50, 2011.
DOI : 10.1111/j.1365-3156.2005.01526.x

N. Nlend, A. , S. Ekobo, C. Bitoungui, M. et al., Early Outcomes of HIV Exposed Children in the First District-wide Programme using Extended Regimens for the Prevention of Mother-to-Child Transmission of HIV, in Yaounde, Cameroon, Journal of Tropical Pediatrics, vol.58, issue.4, pp.297-302, 2012.
DOI : 10.1093/tropej/fmr100

G. Sherman, S. Jones, A. Coovadia, M. Urban, and K. Bolton, PMTCT from research to reality?results from a routine service. South African medical journal =, Suid-Afrikaanse Tydskrif vir Geneeskunde, vol.94, issue.4, pp.289-92, 2004.

R. Kaplan, C. Orrell, E. Zwane, L. Bekker, and R. Wood, Loss to follow-up and mortality among pregnant women referred to a community clinic for antiretroviral treatment, AIDS, vol.22, issue.13, pp.1679-81, 2008.
DOI : 10.1097/QAD.0b013e32830ebcee

M. Falagas, E. Zarkadoulia, P. Pliatsika, and G. Panos, Socioeconomic status (SES) as a determinant of adherence to treatment in HIV infected patients: a systematic review of the literature, Retrovirology, vol.5, issue.1, p.13, 2008.
DOI : 10.1186/1742-4690-5-13

S. Krishnan, K. Wu, M. Smurzynski, R. Bosch, C. Benson et al., Incidence Rate of and Factors Associated with Loss to Follow-up in a Longitudinal Cohort of Antiretroviral-Treated HIV-Infected Persons: An AIDS Clinical Trials Group (ACTG) Longitudinal Linked Randomized Trials (ALLRT) Analysis, HIV Clinical Trials, vol.50, issue.5, pp.190-200, 2011.
DOI : 10.1093/aje/kwn164

J. Ioannidis, T. Taha, N. Kumwenda, R. Broadhead, L. Mtimavalye et al., Predictors and impact of losses to follow-up in an HIV-1 perinatal transmission cohort in Malawi, International Journal of Epidemiology, vol.28, issue.4, pp.769-75, 1999.
DOI : 10.1093/ije/28.4.769

M. Panditrao, S. Darak, V. Kulkarni, S. Kulkarni, and R. Parchure, Socio-demographic factors associated with loss to follow-up of HIV-infected women attending a private sector PMTCT program in Maharashtra, India, AIDS Care, vol.94, issue.5, pp.593-600, 2011.
DOI : 10.1097/01.aids.0000163937.07026.a0

URL : https://hal.archives-ouvertes.fr/hal-00665441

L. Ahoua, H. Ayikoru, K. Gnauck, G. Odaru, E. Odar et al., Evaluation of a 5-year Programme to Prevent Mother-to-child Transmission of HIV Infection in Northern Uganda, Journal of Tropical Pediatrics, vol.56, issue.1, pp.43-52, 2010.
DOI : 10.1093/tropej/fmp054

M. Maskew, P. Macphail, C. Menezes, and D. Rubel, Lost to follow up: contributing factors and challenges in South African patients on antiretroviral therapy, S Afr Med J, vol.97, issue.9, pp.853-860, 2007.