Induction of labour using prostaglandin pessaries of varying strength.
D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D007751:Labor, Induced / Q000379:methods*; D010570:Pessaries; D011247:Pregnancy; D011459:Prostaglandins E, Synthetic / Q000008:administration & dosage*; D011897:Random Allocation
D011459:Prostaglandins E, Synthetic