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Effect of smoking on the fetal coronary arteries
Acta Pathologica, Microbiologica, Et Immunologica Scandinavica. Section A, Pathology
|July 1, 1984
Insights
Maternal smoking during pregnancy negatively impacts fetal coronary artery development. Babies exposed to tobacco in utero had smaller intimal layers, suggesting impaired artery growth.
Area of Science:
- Cardiovascular Science
- Developmental Biology
- Public Health
Background:
- Maternal smoking is a significant public health concern.
- Prenatal exposure to tobacco smoke can affect fetal development.
- Coronary artery development is crucial for fetal health.
Purpose of the Study:
- To investigate the effects of maternal smoking on fetal coronary artery development.
- To determine if prenatal tobacco exposure alters the intimal layer of coronary arteries.
Main Methods:
- Study included 50 infants who died within the first month of life.
- Coronary arteries were examined to measure intimal layer size.
- Data were analyzed considering sex, birthweight, heartweight, and infection.
Main Results:
- Infants of mothers who smoked during pregnancy exhibited smaller intimal layers in their coronary arteries.
- This difference persisted regardless of infant sex, birthweight, heartweight, or infection status.
Conclusions:
- Maternal tobacco smoking appears to inhibit the normal development of the fetal coronary artery's intimal layer.
- Prenatal exposure to smoking poses a risk to cardiovascular development in newborns.
Abstract:
The effects of maternal smoking on the fetal coronary arteries were studied in 50 babies who died during the first month of life. The intimal layers of the coronary arteries of babies whose mothers smoked during pregnancy were smaller than those of babies of non-smoking mothers. The difference was independent of sex, birthweight, heartweight and infection. Tobacco smoking seems to prevent normal development of the intimal layer of fetal coronary arteries.