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      • Children's experience of the first lockdown in France
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      • Caring and sharing: who looks after baby?
      • Socioeconomic inequalities in language and motor development
      • Becoming the parents of a boy or girl
      • Low birth weight and socioeconomic characteristics
      • Preparing for the birth: what choices, what influences?
      • Children's games: a reflection of their socialisation?
      • The math performance gap between girls and boys is non-existent before the first year of primary school
      • Boys' or girls' games? The role of siblings!
      • Early schooling at age 2 narrow the gaps in child development?
      • Children with special educational needs
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      • Sleep habits and sleep characteristics at age one year in the ELFE birth cohort study
      • European LifeCycle Project: a network of cohorts totalling 250,000 children to improve public health
      • Elfe participe à la construction des nouvelles courbes de croissance du périmètre crânien
      • Respiratory symptoms at 2 months and 1 year
      • BCG vaccination before 3 months
      • Early prenatal interview and antenatal education
      • Tobacco and alcohol use during pregnancy in France: The role of migrant status
      • Psychological distress and access to mental healthcare during pregnancy
      • Infant feeding practices and sleep
      • Neurodevelopment of children: mothers' diet during pregnancy under the microscope
      • Allergy risk: the importance of not diversifying infant diets too late
      • Paternity leave and fathers' mental health
      • The microbiota of toddlers under the microscope!
      • Accidents of everyday life from 1 to 10.5 years old
      • Ophthalmological impairments at five and a half years after preterm birth
    • Environment
      • Levels of pyrethroid pesticides in pregnant women
      • Analysis of pesticides in hair samples from pregnant women
      • Absorption of environmental pollutants during pregnancy
      • Dietary exposure to pesticide residues
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      • Impact of occupational exposure to solvents during pregnancy on fetal growth
    • Cross-cutting research
      • Infant formula : social and health related factors
      • Determinants of dietary diversification
      • Duration of breastfeeding in France
      • Breastfeeding practices
      • Children's health and inequalities: a report by the Cour des Comptes documented by data from the Elfe study
      • Children's exposure to screens: are families following the recommendations?
      • L'influence de la fratrie sur le développement du langage des enfants à 2 ans
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      • happy new year
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171 results
  • Key stages

    Key stages The bulk of the data will be collected via regular surveys of the children’s parents, in the form of telephone interviews and postal or Internet questionnaires. The different stages of the study are carried out either by expert interviewers or …
  • Infant formula : social and health related factors

    Infant formula : social and health related factors Mothers are recommended to exclusively breastfeed their infant for the first 6 months. When breastfeeding is not desired or not possible, or when mothers need to find a complement or follow-on, there is a …
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    password …
  • newsletter 6

    newsletter 6 …
  • Early language socialisation

    Early language socialisation This study explored the role of three types of early language interaction between parents and children (sitting quietly and talking, singing nursery rhymes, reading books) in the development of infants’ language comprehension …
  • Questionnaires and other useful documents

    Questionnaires and other useful documents Maternity unit survey Maternity survey protocol Maternity mother interview Mother's self-administered questionnaire Maternity medical record Survey at 2 months 2 months survey protocol Mother 2 months interview …
  • Academic journals

    Academic journals 2021  Barandon S, Balès M, Pambrun E, Melchior M, C-Glangeaud-Freudenthal NM, Van der Waerden J, Verdoux H, Sutter-Dallay AL. Maternal post-natal depressive symptoms at 2 months: Effects of French antenatal preventive measures in the …
  • Social sciences

    Social sciences The study’s longitudinal design allows the children to be followed over time. Information about their parents is also recorded, in terms of sociogeographic context, socio-occupational status and family situation. This makes it possible not …
  • Social sciences

    Social sciences Demandes d'accès aux données en 2025 Demandes d'accès aux données en 2024 Demandes d'accès aux données en 2023 Demandes d'accès aux données en 2022 Demandes d’accès aux données en 2021 Data requests in 2020 Early socialization at school …
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