in order to investigate the physiological roles of prostaglandins during pregnancy , delivery and the postpartum period , the plasma concentration of 6-keto prostaglandin f1 alpha ( 6-keto pgf1 alpha ) , a stable metabolite of prostacyclin , thromboxane b2 ( txb2 ) , a stable metabolite of thromboxane a2 , and 13,14-dihydro-15-keto prostaglandin f ( pgfm ) were measured by specific radioimmunoassay .
C0033554
prostaglandins
C0033561
prostaglandin f