Illicit drug use and neonatal outcomes: a critical review

Ashley H Schempf1

  • 1Department of Population, Family and Reproductive Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA. aschempf@jhsph.edu

Insights

Prenatal illicit drug use, particularly cocaine, is linked to adverse neonatal outcomes like reduced fetal growth. Addressing surrounding factors is crucial for improving infant health.

Area of Science:

  • Neonatal Health
  • Perinatal Epidemiology
  • Substance Abuse Research

Background:

  • Neonatal effects of tobacco and alcohol are known, but evidence on prenatal illicit drug use is inconsistent.
  • Social, psychosocial, behavioral, and biomedical factors complicate the assessment of illicit drug use on birth outcomes.
  • Prevalent views often overestimate the direct impact of illicit drugs compared to confounding factors.

Purpose of the Study:

  • To review recent epidemiologic literature on the neonatal impact of marijuana, opiate, and cocaine use.
  • To highlight inconsistencies and challenges in evaluating the effects of prenatal illicit drug exposure.
  • To provide recommendations for future research directions.

Main Methods:

  • Systematic review of recent epidemiologic studies.
  • Focus on marijuana, opiate, and cocaine use during pregnancy.
  • Analysis of neonatal outcomes and confounding variables.

Main Results:

  • Cocaine use shows the most consistent association with fetal growth decrements, with observed dose-response effects.
  • Studies often lack adequate control for social, psychosocial, and contextual factors.
  • Evidence for marijuana and opiate use on neonatal outcomes is less consistent.

Conclusions:

  • Interventions must address multifaceted factors surrounding drug use, including social circumstances, nutrition, stress, and infections, to improve neonatal outcomes.
  • Further research is needed to disentangle the direct effects of illicit drugs from confounding variables.
  • Improving neonatal health requires a comprehensive approach beyond solely focusing on drug exposure.

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