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PURPOSE OF REVIEW: To review the recent literature on the safety of nonsteroidal anti-inflammatory drugs (NSAIDs), glucocorticoids and traditional disease-modifying antirheumatic drugs before and during pregnancy. RECENT FINDINGS: Recent data suggest that the risk of cleft palate formation after in-utero glucocorticoid exposure is lower than previously reported. Two studies of inadvertent leflunomide exposure during early pregnancy suggest that this medication may be less teratogenic than previously thought. SUMMARY: Although NSAIDs are well tolerated for use during the first two trimesters of pregnancy, they should be avoided during a conception cycle so as not to impede implantation. After gestational week 30, these medications should be discontinued as they may cause premature closure of the ductus arteriosus. The nonfluorinated glucocorticoids, prednisone and prednisolone, can be used throughout pregnancy, although use during the first trimester may increase the risk of cleft palate formation. Protracted glucocorticoids exposure during pregnancy can cause maternal preterm premature rupture of the membranes, gestational hypertension and gestational diabetes. Methotrexate and leflunomide are teratogenic and should be avoided during pregnancy. The immunosuppressive agents, azathioprine, 6-mercaptopurine and cyclosporine A, are compatible with pregnancy.
Bonnie L. Bermas (Fri,) studied this question.