PRETERM LABOR HOW CAN WE DO A BETTER JOB?. BACKGROUND Preterm defined as < 37 weeks Preterm defined as < 37 weeks PTD has continued to increase (until.
Causes of Preterm Birth: “The Preterm Parturition Syndrome” Roberto Romero,M.D. Chief Perinatology Research Branch Division of Intramural Research NICHD/NIH/DHHS.
