Effect of maternal asthma on fetal pulmonary artery Doppler parameters: a case-control study.

Objectives: To compare fetal pulmonary artery Doppler parameters between pregnant women with asthma and healthy pregnant women.

Methods: This prospective, cross-sectional study was conducted on 50 pregnant women diagnosed with asthma and 61 healthy pregnant women. Fetal pulmonary artery Doppler parameters and the fetal main pulmonary artery acceleration time/ejection time (PATET) ratio were compared between the study and control groups.