Lung water during the puerperium

Abstract
Summary: An alteration in pulmonary water balance might be expected during pregnancy and the puerperium, as a result of the physiological adaptations to pregnancy. A preliminary investigation of this hypothesis was conducted using a radiological method of lung water measurement in 20 normal primigravidae during the early puerperium. Evidence of interstitial lung water was found in seven of the 20 mothers. There was a significant correlation with plasma volume (p < 0.05) and fluid turnover (p < 0.05) in the group with excess lung water. The implications of increased interstitial lung water and its possible causes during pregnancy are discussed.

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