Maternal and pregnancy-related factors associated with developmental delay in moderately preterm-born children

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Abstract

OBJECTIVE: To estimate the association between preexisting maternal and pregnancy-related factors and developmental delay in early childhood in moderately preterm-born children.

METHODS: We measured development with the Ages and Stages Questionnaire at age 43-49 months in 834 moderately preterm-born (between 32 0/7 and 35 6/7 weeks of gestation) children born in 2002-2003. We obtained data on preexisting maternal, maternal pregnancy-related, fetal, and delivery-related factors. We calculated odds ratios (ORs) and 95% confidence intervals (CIs) and attributable risks for developmental delay adjusted for sociodemographic and lifestyle variables.

RESULTS: Attributable risk for developmental delay for small-for-gestational-age (SGA, as a proxy for intrauterine growth restriction [IUGR]) was 14.2% (SGA 21.9%, no SGA 7.7%, P

CONCLUSIONS: Of all preexisting maternal and pregnancy-related factors studied, SGA, maternal prepregnancy obesity, being one of a multiple, and male sex were associated with the risk of developmental delay in early childhood after moderately preterm birth. Reinforced focus on prevention of IUGR, preconception lifestyle interventions aiming at weight reduction in fertile women, and reinforced efforts to reduce rates of multiple pregnancies in assisted reproduction may all contribute toward more favorable developmental outcomes in moderately preterm-born children. (Obstet Gynecol 2013;121:727-33) DOI: http://10.1097/AOG.0b013e3182860c52

Original languageEnglish
Pages (from-to)727-733
Number of pages7
JournalObstetrics and Gynecology
Volume121
Issue number4
DOIs
Publication statusPublished - Apr-2013

Keywords

  • Child, Preschool
  • Developmental Disabilities
  • Female
  • Gestational Age
  • Humans
  • Infant, Newborn
  • Infant, Premature
  • Male
  • Pregnancy
  • Pregnancy Complications
  • Risk Factors

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