Overview Prevention of Recurrent Preterm Delivery by a Natural Progesterone Agent Status: Withdrawn Trial end date: 1969-12-31 Target enrollment: Participant gender: Summary To examine the preterm delivery rate of a preterm delivery high risk group of pregnant women, using once daily natural progesterone agent. Phase: N/A Details Lead Sponsor: The Baruch Padeh Medical Center, PoriyaTreatments: Progesterone