Effect of advanced normal pregnancy on pulmonary function tests

DR. PATIL HEMLATA J, DR. DEOKAR NA

Abstract: Background: The physiological adaptations of the pregnant woman involve the circulatory, respiratory, digestive, renal, endocrine and metabolic systems. Their precise knowledge allows the clinician to verify the extent of the adaptation in pregnant women and helps to avoid unnecessary treatment of physiological changes misinterpreted as pathological changes in reference to pre-pregnancy standards. We designed the study to understand changes in pulmonary function tests during advanced pregnancy. Results: In all subjects of the study group there was decrease in Forced Vital Capacity (FVC) and Forced Expiratory Volume (FEV1) but FVC decreases more than FEV1 so the FEV1/FVC ratio is seen to be increased as compared to the control group. The results were found to be statistically significant (p<0.05). Conclusion: It is concluded that pulmonary function tests like FVC and FEV1 decreases due to gravid state in advanced pregnancy.

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