the relative risks ( and 95 percent confidence interval ) among infants whose mothers were aspirin users as compared with those whose mothers did not use aspirin , adjusted for potential confounding factors , were 0.9 ( 0.8 to 1.1 ) for any cardiac defect , 1.2 ( 0.6 to 2.3 ) for aortic stenosis , 1.0 ( 0.6 to 1.4 ) for coarctation , 0.9 ( 0.6 to 1.4 ) for hypoplastic left ventricle , 0.9 ( 0.6 to 1.2 ) for transposition of the great arteries , and 1.0 ( 0.8 to 1.2 ) for conotruncal defects .
C0021270
infants
C0004057
aspirin