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Published on: August 25, 2014
Accelerated fetal lung maturity profiles and maternal cocaine exposure
K M Hanlon-Lundberg1, M Williams, T Rhim
1University of Wisconsin, Milwaukee, USA.
Obstetrics and Gynecology
|January 1, 1996
Summary
Maternal cocaine use during pregnancy accelerates fetal lung maturity, doubling the likelihood of a mature profile. Tobacco use also predicts earlier fetal lung maturity.
Area of Science:
- Obstetrics and Gynecology
- Neonatal Health
- Pharmacology
Background:
- Maternal substance use during pregnancy poses risks to fetal development.
- Fetal lung maturity is a critical factor in neonatal respiratory outcomes.
- Assessing fetal lung maturity aids in optimizing delivery timing for high-risk pregnancies.
Purpose of the Study:
- To investigate the impact of maternal cocaine exposure on fetal lung maturity.
- To evaluate fetal lung maturity using surfactant-albumin ratios via the TDx-FLM test.
Main Methods:
- A case-control study compared fetal lung maturity in cocaine-exposed versus non-exposed pregnancies.
- Amniotic fluid (AF) surfactant-albumin ratios were measured using the TDx-FLM assay.
- Logistic regression controlled for gestational age and potential confounders.
Main Results:
- Maternal cocaine use was associated with accelerated fetal lung maturity (adjusted OR 2.04).
- Cigarette smoking during pregnancy also predicted mature fetal lung profiles (OR 1.61).
- Preterm labor, rupture of membranes, other substance abuse, and nonobstetric illness did not show an association.
Conclusions:
- Maternal cocaine use is linked to a twofold increased probability of mature fetal lungs.
- Tobacco use independently predicts accelerated fetal lung maturity profiles.
