Pulmonary & Respiratory Medicine

Bengt Källén

Publications

• Research Article
  Maternal Asthma and Use of Antiasthmatic Drugs in Early Pregnancy and Congenital Malformations in the Offspring
  Author(s): Bengt KällénBengt Källén
  
  Objectives: To investigate the risk of congenital malformations in infants born of women who had used antiasthmatic drugs in early pregnancy. Methods: Data were obtained from the Swedish Medical Birth Register for 1996-2011. Information on drug use was based on midwife interviews towards the end of the first trimester. Presence of congenital malformations was ascertained from three national health registers. Risk estimates were made with Mantel-Haenszel odds ratios after adjustment for delivery year, maternal age, parity, smoking, and body mass index. Consideration was taken to concomitantly used drugs. Results: Among more than 1.5 million women who gave birth, 2.9% reported the use of antiasthmatics. These women had characteristics which distinguished them from other women who gave birth and they more often than these used other d.. Read More»
  DOI: 10.4172/2161-105X.1000166

  Abstract PDF