Overview Cervical Pessary vs. Vaginal Progesterone for Preventing Premature Birth in IVF Twin Pregnancies Status: Completed Trial end date: 2017-11-02 Target enrollment: Participant gender: Summary To compare the effectiveness of cervical pessary (Arabin) and vaginal progesterone for preventing premature birth in twin pregnancies after IVF Phase: N/A Details Lead Sponsor: Vietnam National UniversityCollaborator: Mỹ Đức HospitalTreatments: Progesterone