Prenatal amphetamine exposure and birth outcomes: a systematic review and metaanalysis

Objective The aim of this study was to systematically review the relationship between amphetamine exposure in pregnancy and birth outcomes. Study Design Electronic databases were searched to identify relevant studies. Data from included studies were extracted by 2 reviewers. Summary odds ratio (OR)...

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Bibliographic Details
Published in:American journal of obstetrics and gynecology 2011-09, Vol.205 (3), p.219.e1-219.e7
Main Authors: Ladhani, Noor Niyar N., MD, MPH, FRCSC, Shah, Prakesh S., MD, MSc, FRCPC, Murphy, Kellie E., MD, MSc, FRCSC
Format: Article
Language:English
Subjects:
Adult
Amphetamine
Amphetamine-Related Disorders - complications
Biological and medical sciences
Female
Gynecology. Andrology. Obstetrics
Humans
Infant, Low Birth Weight
Infant, Newborn
Infant, Small for Gestational Age
low birthweight
Maternal-Fetal Exchange
Medical sciences
Obstetrics and Gynecology
Pregnancy
Pregnancy Outcome
preterm birth
recreational drugs
small for gestational age
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Summary:Objective The aim of this study was to systematically review the relationship between amphetamine exposure in pregnancy and birth outcomes. Study Design Electronic databases were searched to identify relevant studies. Data from included studies were extracted by 2 reviewers. Summary odds ratio (OR) and confidence intervals (CIs) were calculated using the random effects model. Results Ten studies were included. Significant increases in unadjusted risks of preterm birth (OR, 4.11; 95% CI, 3.05–5.55), low birthweight (OR, 3.97; 95% CI, 2.45–6.43), and small for gestational age (OR, 5.79; 95% CI, 1.39–24.06) were identified among women exposed to amphetamines in pregnancy. The mean birthweight was significantly lower among amphetamine-exposed pregnancies (mean difference, −279 g; 95% CI, −485 to −74 g). Two studies provided adjusted estimates on different outcomes, and their results were consistent with the findings from the unadjusted data. Conclusion Amphetamine exposure in pregnancy is associated with adverse birth outcomes and should be identified by physicians providing antenatal care.
ISSN:0002-9378
1097-6868
DOI:10.1016/j.ajog.2011.04.016