Assertion: benzodiazepine's use | /r/HasSubevent | fetal malformations
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: Although lorazepam has not been formally studied in pregnant women, use of other benzodiazepines (chlordiazepoxide, diazepam, and meprobamate) during the first trimester of pregnancy has sometimes resulted in fetal malformations.