Overview Pharmacokinetics of Progesterone in Pregnancy Status: Completed Trial end date: 2018-06-30 Target enrollment: Participant gender: Summary Pharmacokinetic analysis of 200mg vaginal progesterone suppository in women with singleton pregnancies between 18 0/7- 23 6/7 weeks' gestation Phase: Phase 1 Details Lead Sponsor: Thomas Jefferson UniversityTreatments: Progesterone