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The association between maternal cocaine use and placenta previa
G A Macones1, H M Sehdev, S Parry
1Department of Obstetrics and Gynecology, University of Pennsylvania Health System, Philadelphia, USA.
American Journal of Obstetrics and Gynecology
|December 16, 1997
Summary
Maternal cocaine use is a significant risk factor for placenta previa. This finding highlights the importance of addressing substance use during pregnancy to improve maternal and fetal outcomes.
Area of Science:
- Obstetrics and Gynecology
- Perinatal Medicine
- Reproductive Health
Background:
- Placenta previa is a serious obstetric complication.
- Risk factors for placenta previa require further investigation.
Purpose of the Study:
- To determine if maternal cocaine exposure is a risk factor for developing placenta previa.
Main Methods:
- A case-control study comparing 40 placenta previa cases with 80 controls.
- Data collected via chart review, including maternal cocaine use (self-report/urine toxicology).
- Multiple logistic regression analysis adjusted for confounding variables.
Main Results:
- Maternal cocaine use was an independent risk factor for placenta previa (adjusted odds ratio = 4.39).
- History of cesarean section and prior elective abortion were also significant risk factors.
Conclusions:
- Cocaine use is associated with an increased risk of placenta previa.
- Prior cesarean section, elective abortion, and parity are also linked to placenta previa.