RESULTS	Specific causes of health complications during pregnancy which significantly related to asthma were early or threatened labor ( ICD : 644 ) ( 4.8 % , ORadj = 1.58 , 1.03-2 .40 ) and the malposition or malpresentation of the fetus ( ICD : 652 ) ( 1.6 % , ORadj = 3.63 , 1.47-8 .91 ) .\