Obstetrics and gynecology
-
Obstetrics and gynecology · Feb 2011
Case ReportsFalse-positive amphetamine toxicology screen results in three pregnant women using labetalol.
Labetalol is commonly used for control of hypertension in pregnancy. A component of the workup for new-onset hypertension in pregnancy often includes a urine drug screen. A labetalol metabolite is structurally similar to amphetamine and methamphetamine, thus causing potential cross-reactivity in drug immunoassays. ⋯ In pregnant women requiring labetalol for treatment of hypertensive disease, a urine drug screen may be falsely positive for amphetamines and methamphetamines. Providers should be cognizant of this possibility when interpreting the results of urine drug screens.
-
Obstetrics and gynecology · Feb 2011
Retraction Of PublicationRetraction. ACOG Committee Opinion No. 284: Nonobstetric surgery during pregnancy.