TY - GEN AU - Alfirevic,Z AU - Owen,J AU - Carreras Moratonas,E AU - Sharp,A N AU - Szychowski,J M AU - Goya,M TI - Vaginal progesterone, cerclage or cervical pessary for preventing preterm birth in asymptomatic singleton pregnant women with a history of preterm birth and a sonographic short cervix SN - 1469-0705 PY - 2013///0711 KW - Administration, Intravaginal KW - Adult KW - Cerclage, Cervical KW - methods KW - Cervical Length Measurement KW - Female KW - Humans KW - Pessaries KW - Pregnancy KW - Pregnancy Outcome KW - Pregnancy, High-Risk KW - Premature Birth KW - prevention & control KW - Progesterone KW - administration & dosage KW - Tocolytic Agents KW - Uterine Cervical Incompetence KW - surgery N1 - Publication Type: Comparative Study; Journal Article; Multicenter Study; Randomized Controlled Trial UR - https://doi.org/10.1002/uog.12300 ER -