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Updated: Sep 25, 2025

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Impact of Prenatal Exposure to Smoking on Child Health

Michelle C Maciag1,2,3, Aroub Yousuf4, Marissa Hauptman3,5,6

  • 1Asthma and Allergy Affiliates, Salem.

Clinical Obstetrics and Gynecology
|April 25, 2022
PubMed

Insights

Prenatal exposure to tobacco smoke, including electronic cigarettes and marijuana, is linked to adverse childhood outcomes. This includes congenital anomalies, obesity, and neuropsychiatric issues, with some cancers linked to paternal smoking.

Area of Science:

  • Reproductive Health
  • Pediatrics
  • Environmental Health

Background:

  • Prenatal exposure to tobacco smoke is a common issue through active smoking and environmental exposure.
  • Existing research highlights increased risks of prenatal and postnatal complications.
  • Adverse childhood outcomes associated with in utero tobacco smoke exposure are well-documented.

Purpose of the Study:

  • To summarize adverse childhood outcomes linked to intrauterine exposure to tobacco smoke.
  • To describe outcomes related to electronic cigarette and marijuana exposure in utero.

Main Methods:

  • Review of high-quality studies and meta-analyses on prenatal smoke exposure.
  • Description of documented adverse child outcomes.
  • Inclusion of data on electronic cigarettes and marijuana exposure.

Main Results:

  • Prenatal tobacco smoke exposure is associated with congenital anomalies.
  • In utero exposure is linked to infant and adolescent overweight and obesity.
  • Neuropsychiatric sequelae and certain childhood malignancies (linked to paternal smoking) are also associated outcomes.

Conclusions:

  • Intrauterine exposure to tobacco smoke, electronic cigarettes, and marijuana poses significant risks for adverse childhood outcomes.
  • Comprehensive understanding of these risks is crucial for prevention and intervention strategies.
  • Further research into the specific mechanisms and long-term effects is warranted.

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