Why the study?
Does maternal smoking of one cigarette acutely alter fetal heart function in healthy pregnant women?
Population
21 healthy smoking pregnant women between 24 and 39 weeks of uneventful gestation
Comparison
Smoking one cigarette (nicotine content 1.7 mg) vs Baseline (prior to smoking)
Design
Cohort
Follow-up
10 minutes
Authors
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Acute smoking exposure was associated with fetal heart rate and dimension changes without functional impairment; leaves open cumulative effects on cardiac development.
Does maternal smoking of one cigarette acutely alter fetal heart function in healthy pregnant women?
Maternal smoking of a single cigarette causes a transient increase in fetal heart rate and minor changes in left ventricular dimensions, but does not significantly impair overall fetal heart function as measured by echocardiography.
Sørensen et al. (1987) studied this question.
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