in a randomized double-blind study a viscous gel , containing 0.25 mg prostaglandin e2 ( pge2-gel ) or without prostaglandin ( placebo gel ) , was applied intracervically in twenty-two nulliparous patients just before termination of early pregnancy by dilatation and evacuation ( d & e ) .
C0012472
pge2
C0033554
prostaglandin