The effects of an inhibitor of 3β-hydroxysteroid dehydrogenase (epostane) on uterine activity
and cervical softening have been studied in eight sheep during late pregnancy. Treatment …

Changes in circulating steroid hormones, the incidence of myometrial contractions, and the
onset of labour were all monitored after administration of the 3β-hydroxysteroid …

Epostane, an inhibitor of 3β-hydroxysteroid dehydrogenase, was administered to goats in
late pregnancy in the presence or absence of concurrent treatment with prostaglandin …

The maternal administration of meclofenamic acid (a prostaglandin synthetase inhibitor) to
pregnant sheep prevented the dexamethasone-induced delivery of live lambs and delayed …

The concentration of progesterone in the peripheral plasma of seven sheep during late
pregnancy was reduced by injection of an inhibitor of 3β-hydroxysteroid dehydrogenase …

The effect of exogenous progesterone or megestrol acetate (MGA) on cervical extensibility
and on the concentrations of prostaglandin (PG) F in utero-ovarian plasma and …

The effect of Epostane, a 3β‐hydroxysteroid dehydrogenase inhibitor, on maternal and fetal
plasma progesterone and other steroids has been investigated in chronically catheterized …

The effect of an inhibitor of 3β-hydroxysteroid dehydrogenase on peripheral progesterone
concentration during the luteal phase of the oestrous cycle and on embryo survival was …

Epostane, a competitive inhibitor of 3 beta-HSD was administered intravenously to a
pregnant mare between 292 and 330 days of gestation at doses of 1-3 mg/kg/min. Plasma …

Although the" Progesterone Block I1 hypothesis (1) has aroused great interest since its
proposal by Csapo in 1956, whether progesterone withdrawal either occurs or is necessary …