References
- Chawanpaiboon S, Vogel JP, Moller AB, et al. Global, regional, and national estimates of levels of preterm birth in 2014: a systematic review and modelling analysis. Lancet Glob Health. 2019;7(1):e37–e46.
- Iams JD, Romero R, Culhane JF, et al. Primary, secondary, and tertiary interventions to reduce the morbidity and mortality of preterm birth. Lancet. 2008;371(9607):164–175.
- Romero R, Mazor M, Munoz H, et al. The preterm labor syndrome. Ann NY Acad Sci. 1994;734:414–429.
- Goya M, Pratcorona L, Merced C, et al. Cervical pessary in pregnant women with a short cervix (PECEP): an open-label randomised controlled trial. Lancet. 2012;379(9828):1800–1806.
- Saccone G, Maruotti GM, Giudicepietro A, et al. Effect of cervical pessary on spontaneous preterm birth in women with singleton pregnancies and short cervical length: a randomized clinical trial. JAMA. 2017;318(23):2317–2324.
- Arabin B, Alfirevic Z. Cervical pessaries for prevention of spontaneous preterm birth: past, present and future. Ultrasound Obstet Gynecol. 2013;42(4):390–399.
- Pratcorona L, Goya M, Merced C, et al. Cervical pessary to reduce preterm birth <34 weeks of gestation after an episode of preterm labor and a short cervix: a randomized controlled trial. Am J Obstet Gynecol. 2018;219(1):99.e1–e16.
- Hermans FJR, Schuit E, Bekker MN, et al. Cervical pessary after arrested preterm labor: a randomized controlled trial. Obstet Gynecol. 2018;132(3):741–749.
- Owen J, Hankins G, Iams JD, et al. Multicenter randomized trial of cerclage for preterm birth prevention in high-risk women with shortened midtrimester cervical length. Am J Obstet Gynecol. 2009;201(4):375.e1–8.
- Franca MS, Hatanaka AR, Cruz JJ, et al. Cervical pessary plus vaginal progesterone in a singleton pregnancy with a short cervix: an experience-based analysis of cervical pessary’s efficacy. J Matern Fetal Neonatal Med. 2021;2021:1–11.
- Eke AC, Chalaan T, Shukr G, et al. A systematic review and meta-analysis of progestogen use for maintenance tocolysis after preterm labor in women with intact membranes. Int J Gynaecol Obstet. 2016;132(1):11–16.
- Martinez de Tejada B, Karolinski A, Ocampo MC, et al. Prevention of preterm delivery with vaginal progesterone in women with preterm labour (4P): randomised double-blind placebo-controlled trial. Int J Obstet Gy. 2015;122(1):80–91.
- Palacio M, Cobo T, Antolín E, et al. Vaginal progesterone as maintenance treatment after an episode of preterm labour (PROMISE) study: a multicentre, double-blind, randomised, placebo-controlled trial. BJOG: Int J Obstet Gy. 2016;123(12):1990–1999.