1. Berghella V, Palacio M, Ness A, Alfirevic Z, Nicolaides KH, Saccone G. Cervical length screening for prevention of preterm birth in singleton pregnancy with threatened preterm labor: systematic review and meta-analysis of randomized controlled trials using individual patient-level data. Ultrasound Obstet Gynecol 2017; 49: 322-329. [
DOI:10.1002/uog.17388] [
PMID]
2. Sharvit M, Weiss R, Ganor Paz Y, Tzadikevitch Geffen K, Danielli Miller N, Biron-Shental T. Vaginal examination vs. cervical length - which is superior in predicting preterm birth?. J Perinat Med 2017; 45: 977-983. [
DOI:10.1515/jpm-2016-0273] [
PMID]
3. Leitich H, Brunbauer M, Kaider A, Egarter Ch, Husslein P. Cervical length and dilatation of the internal cervical os detected by vaginal ultrasonography as markers for preterm delivery: A systematic review. Am J Obstet Gynecol 1999; 181: 1465-1472. [
DOI:10.1016/S0002-9378(99)70407-2]
4. Saccone G, Zullo F, Roman A, Ward A, Maruotti G, Martinelli P, et al. Risk of spontaneous preterm birth in IVF-conceived twin pregnancies. J Matern Fetal Neonatal Med 2017; 32: 369-376. [
DOI:10.1080/14767058.2017.1378339] [
PMID]
5. Qin J, Liu X, Sheng X, Wang H, Gao Sh. Assisted reproductive technology and the risk of pregnancy-related complications and adverse pregnancy outcomes in singleton pregnancies: a meta-analysis of cohort studies. Fertil Steril 2016; 105: 73-85.
https://doi.org/10.1016/j.fertnstert.2015.12.131 [
DOI:10.1016/j.fertnstert.2015.09.007]
6. Kim D, Saada A. The social determinants of infant mortality and birth outcomes in Western developed nations: a cross-country systematic review. Int J Environ Res Public Health 2013; 10: 2296-2335. [
DOI:10.3390/ijerph10062296] [
PMID] [
PMCID]
7. Cavoretto P, Candiani M, Giorgione V, Inversetti A, Abu-Saba MM, Tiberio F, et al. Risk of spontaneous preterm birth in singleton pregnancies conceived after IVF/ICSI treatment: meta-analysis of cohort studies. Ultrasound Obstet Gynecol 2018; 51: 43-53. [
DOI:10.1002/uog.18930] [
PMID]
8. Mohamadjafari R, Nagafian M, Vahaby E, Gharibzadeh S. [Correlation between cervical length by transvaginal sonography at 16-24wks of pregnancy and preterm labor.] Stud Med Sci 2013; 24: 441-448. (in Persian)
9. Pasquini L, Sisti G, Nasioudis D, Kanninen T, Sorbi F, Fambrini M, et al. Ability of cervical length to predict spontaneous preterm delivery in twin pregnancies using the receiver-operating characteristic curve analysis and an a priori cut-off value. J Obstet Gynaecol 2017; 37: 562-565. [
DOI:10.1080/01443615.2016.1258046] [
PMID]
10. Szymusik I, Wegrzyn P, Marianowski P, Dziadecki W, Bablok L, Wielgos M. Is mid-gestational cervical length measurement as sensitive prediction factor of preterm delivery in IVF as in spontaneous singleton pregnancies? Neuro Endocrinol Lett 2011; 32: 453-457.
11. Al-Safi ZA, Shavell VI, Roberts RP, Singh M, Puscheck EE, Diamond MP. First trimester cervical length and preterm delivery in pregnancies conceived through in vitro fertilization. Fertil Steril 2011; 96: S13. [
DOI:10.1016/j.fertnstert.2011.07.057]
12. Berghella V, Baxter JK, Hendrix NW. Cervical assessment by ultrasound for preventing preterm delivery. Cochrane Database Syst Rev 2009; 2: CD007235. [
DOI:10.1002/14651858.CD007235.pub2]
13. O'Hara S, Zelesco M, Sun Z. Cervical length for predicting preterm birth and a comparison of ultrasonic measurement techniques. Aust J Ultrasound Med 2013; 16: 124-134. [
DOI:10.1002/j.2205-0140.2013.tb00100.x] [
PMID] [
PMCID]
14. Iams JD, Goldenberg RL, Meis PJ, Mercer BM, Moawad A, Das A, et al. The length of the cervix and the risk of spontaneous premature delivery. N Engl J Med 1996; 334: 567-572. [
DOI:10.1056/NEJM199602293340904] [
PMID]