Purpose: Little is known about the risks associated with prenatal exposure to atypical antipsychotics. Our objective is to present a case of exposure to risperidone and quetiapine in pregnancy, and additionally to some other drugs. Case: Our case (36-year old) has suffered schizophrenia (DSM-IV) for 5 years and used these drugs (risperidone, quetiapine, mirtazapine, thioridazine, diazepam, hydroxyzine, clomipramine, fluvoxamine, alprazolam, carbamazepine, biperiden, haloperidol, ampicillin + sulbactam, enoxaparin, oxerutine) in her third pregnancy. Because of her psychotic condition, Mrs. N.B. was not aware of her pregnancy until 22nd week and the pregnancy could not be terminated. She had a female infant (3000 g, 50 cm) with APGAR scores of 8-9 at the first and fifth minutes at 37th week with an uncomplicated vaginal delivery. The baby was normal. Conclusion: This case may contribute to the existing knowledge regarding use of atypical antipsychotics in pregnancy. (C) 2004 Elsevier Inc. All rights reserved.