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Effect of Acetaminophen on Fetal Activity
Joshua Nitsche1, Loralie J Langman2, Hannah J Penn2
1Division of Maternal Fetal Medicine, Wake Forest School of Medicine, Winston-Salem, North Carolina.
American Journal of Perinatology
|June 19, 2015
Summary
Maternal acetaminophen use does not significantly impact fetal activity during pregnancy. This finding suggests that taking acetaminophen should not interfere with clinical assessments of fetal well-being.
Area of Science:
- Obstetrics and Gynecology
- Fetal Medicine
- Pharmacology
Background:
- Acetaminophen is a common medication used during pregnancy.
- Previous animal studies suggested potential effects on fetal activity.
Purpose of the Study:
- To investigate the impact of maternal acetaminophen administration on fetal activity.
- To determine if acetaminophen affects the interpretation of fetal well-being assessments.
Main Methods:
- A longitudinal study involving 20 pregnant women (30-34 weeks' gestation).
- Ultrasound assessments of fetal breathing and body movements before and after a 1,000 mg oral dose of acetaminophen.
- Comparison of pre- and post-acetaminophen activity using repeated measures t-test.
Main Results:
- No significant changes were observed in the number or duration of fetal breathing or body movements after acetaminophen intake.
- A combined activity score also showed no significant effect of acetaminophen.
Conclusions:
- Maternal acetaminophen administration has minimal impact on human fetal activity.
- Clinical assessments of fetal well-being are unlikely to be affected by maternal acetaminophen use.
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