“…Environmental factors such as urinary tract infection, administration of butabarbital sodium, sulfonamides, phentermine resin, hydrochlorothiazide, chloral hydrate, sulfaethyl tioxidazole, Tigan (trimethobenzamide hydrochloride), and Benedictine have been implicated in the few case reports. 1,5,6 In one case report, the mother had taken imipramine, diazepam, chlorpromazine, and meclizine during pregnancy. 1,5 The origin of oromandibular limb hypogenesis syndrome is still unknown and usually sporadic.…”