for exposure to diazepam during lunar months 1 through 4 relative to no exposure during pregnancy , the estimated relative risks were 1.0 for cleft lip with or without cleft palate ( 95 per cent confidence interval , 0.5 to 2.1 ) and 0.8 for cleft palate alone ( 0.3 to 2.7 ) .
C0012010
diazepam
C0032961
pregnancy