|1||NCT02490384||Recruiting||Physical Exam Indicated Cerclage in Twin Gestations||
||52||Female||18 Years to 60 Years (Adult)||NCT02490384||ThomasJeffersonU||TWIN-PEIC||June 2015||June 2018||July 2019||July 3, 2015||April 21, 2016||
|2||NCT00099164||Completed||Trial of Progesterone in Twins and Triplets to Prevent Preterm Birth (STTARS)||
||Other / NIH||
||795||Female||Child, Adult, Senior||NCT00099164||HD36801-STTARS
|April 2004||August 2006||September 2007||December 9, 2004||September 28, 2016||
† Study has passed its completion date and status has not been verified in more than two years.