EDITORIALS
Is maternal asthma a life or death issue for the baby?
Correspondence to:
Dr M Schatz, Department of Allergy, Kaiser Permanente, San Diego, CA 92111, USA; michael.x.schatz@kp.org
| The first 150 words of the full text of this article appear below. |
Asthma is probably the most common potentially serious medical problem to complicate pregnancy. In recent national surveys in the USA, 8.4–8.8% of pregnant women reported current asthma.1 Since 1970, many published articles have suggested that women with asthma experience more complications of pregnancy than women who do not have asthma. The most commonly reported increased risks have been for pre-eclampsia,2–12 preterm birth2 5 6 8 9 13–15 and infants with low birth weight or intrauterine growth restriction.2 5 6 8–10 12 15 16The most severe complication of pregnancy from the infant standpoint is fetal or neonatal death. Although one study from the USA in 1970 reported a significant 80% increased risk of perinatal mortality in infants of women with asthma compared with those without asthma,17 and another study from Sweden in 1972 reported a more than doubling of neonatal mortality in infants of mothers with asthma,2 11 studies published between 1988 and 2007 did not demonstrate a significant increased
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