Overview Efficacy of Oral Progesterone and Vaginal Progesterone After Tocolytic Therapy in Threatened Preterm Labor Status: Completed Trial end date: 2017-03-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine efficacy of vaginal and oral progesterone after tocolytic therapy in threatened preterm labor Phase: Phase 3 Details Lead Sponsor: Sanpasitthiprasong HospitalTreatments: DydrogesteroneProgesteroneTocolytic Agents