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Objectives: Small for gestational age (SGA) newborns have a higher risk of poor outcomes. French Guiana (FG) is a territory in South America with poor living conditions. The objectives of this study were to describe risk factors associated with SGA newborns in FG. Methods : We used the birth cohort that compiles data from all pregnancies that ended in FG from 2013 to 2021. We analysed data of newborns born after 22 weeks of gestation and/or weighing more than 500 g and their mothers. Results: 67,962 newborns were included. SGA newborns represented 11.7% of all newborns. Lack of health insurance was associated with SGA newborns ( p < 0.001) whereas no difference was found between different types of health insurance and the proportion of SGA newborns ( p = 0.86). Mothers aged less than 20 years (aOR = 1.65 [1.55-1.77]), from Haiti (aOR = 1.24 [1.11-1.39]) or Guyana (aOR = 1.30 [1.01-1.68]) and lack of health insurance (aOR = 1.24 [1.10-1.40]) were associated with SGA newborns. Conclusion: Immigration and precariousness appear to be determinants of SGA newborns in FG. Other studies are needed to refine these results., Competing Interests: The authors declare that they do not have any conflicts of interest., (Copyright © 2024 Osei, Vignier, Nacher, Laumonnier, Conan, Clarke, Koivogui, Covis, Valony, Basurko, Wiedner-Papin, Prual, Cardoso, Leneuve-Dorilas, Alcouffe, Hcini, Bernard, Succo, Vendittelli and Elenga.)

In French Guiana, 4.5-5.0% of HIV-infected persons experienced an incarceration between 2007 and 2013. A cross-sectional survey was performed to describe the epidemiology and treatment outcomes of a population of HIV-infected inmates in French Guiana. The study population was patients released between 1/2007 and 12/2013, after >30 days of incarceration (n = 147). A secondary objective aimed to identify its main specificities, relative to both the general inmate population and the nonincarcerated HIV population. The socioeconomic situation of HIV-infected inmates was particularly precarious, relative to other detainees: 58.1% had never attended school (versus 5.5%, p < 0.01), 31.0% were homeless (versus 8.5%, p < 0.01), 63.9% were repeat offenders (versus 46.6%, p < 0.01), 33.3% were crack cocaine users (versus 9.8-12%, p < 0.01). The frequency of hypertension and chronic B hepatitis was also higher. Only 50.3% of inmates were on antiretroviral therapy (ART) versus 92.6% in the hospital HIV population (p < 0.001). Among untreated patients, 15.1% refused ART. Among those treated, 81.3% were virologically suppressed. Although comparisons were biased, HIV-positive inmates had more psychosocial vulnerabilities than the general inmate population. Despite ART availability and excellent treatment outcomes, undertreatment was a fact not completely explained by patient refusal. HIV-infected inmates should benefit from increased attention by health care and social workers.