Prostaglandins in pyometrial fluid from the cow, bitch and ferret.

1 Pyometra is a disorder of the uterus usually associated with bacterial infection plus obstruction. 2 Large quantities of fluid often collect in the uterus during this condition. 3 Pyometrial fluid obtained from three species was found to contain prostaglandin F2alpha, usually in large quantities. 4 Prostaglandin E2 was present in smaller quantities in five of the six samples. 5 These findings are discussed in relation to the known occurrence of prostaglandins in inflammatory fluid, and to the problem of infertility.