J Reprod Med
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Cannabinoid hyperemesis syndrome (CHS) is a syndrome characterized by chronic marijuana use, cyclic vomiting, and compulsive bathing. Given the similarities this syndrome shares with hyperemesis gravidarum, it is likely that this is a highly underdiagnosed syndrome. We present a case of severe nausea and vomiting during pregnancy that met the criteria for CHS. ⋯ Recognition of this syndrome will aid in patient care, lessen the economic burden of an extensive workup, and hopefully lessen provider frustration with diagnosis and treatment of a common and underdiagnosed entity.