The purpose of this research study is to find out whether a device, called a pessary, or vaginal progesterone lowers the risk of preterm birth in women who have a short cervix who are carrying twins.
Thank you for your interest, but this study is not currently enrolling.
North Carolina (Statewide)
John Thorp
Center for Womens Health Research
Clinical or Medical
Interventional
Pregnancy
15-0601