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Trial ID: NCT00946088
Progesterone for Maintenance Tocolysis: A Randomized Placebo Controlled Trial
Charles B. and Ann L. Johnson Professor in the School of Medicine and Professor, by courtesy, of Pediatrics (Neonatology) and of Surgery
Professor of Obstetrics and Gynecology (Maternal Fetal Medicine) and, by courtesy, of Pediatrics
Inclusion Criteria:1. Pregnant women with arrested preterm labor between 24+0 to 33+6 weeks
2. Intact membranes 3. Singleton pregnancy 4. Greater than or equal to 18 years of age 5.
Cervical dilation less than or equal to 4cm Exclusion Criteria:1. Any contraindication to
on-going pregnancy 2. Placental abruption 3. Placenta previa 4. Lethal fetal anomalies 5.
Premature rupture of membranes 6. Multiple gestation 7. Less than 18 years old 8. Known
allergy to any component of the study medication or placebo 9. Severe maternal medical
drug: Polyethylene glycol&hydrogenated vegetable oil.
School of Medicine
300 Pasteur Drive
Stanford, CA 94305
Elizabeth S Langen, MD