{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,18]],"date-time":"2026-01-18T13:34:11Z","timestamp":1768743251545,"version":"3.49.0"},"reference-count":51,"publisher":"Springer Science and Business Media LLC","issue":"4","license":[{"start":{"date-parts":[[2013,2,7]],"date-time":"2013-02-07T00:00:00Z","timestamp":1360195200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arch Gynecol Obstet"],"published-print":{"date-parts":[[2013,4]]},"DOI":"10.1007\/s00404-013-2740-0","type":"journal-article","created":{"date-parts":[[2013,2,6]],"date-time":"2013-02-06T02:05:51Z","timestamp":1360116351000},"page":"621-628","source":"Crossref","is-referenced-by-count":14,"title":["Short cervix syndrome: current knowledge from etiology to the control"],"prefix":"10.1007","volume":"287","author":[{"given":"H\u00e9lio Antonio","family":"Guimar\u00e3es Filho","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Edward","family":"Araujo J\u00fanior","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Claudio Rodrigues","family":"Pires","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Luciano Marcondes Machado","family":"Nardozza","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Antonio Fernandes","family":"Moron","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2013,2,7]]},"reference":[{"key":"2740_CR1","doi-asserted-by":"crossref","first-page":"687","DOI":"10.1034\/j.1600-0412.2003.00218.x","volume":"82","author":"K Haram","year":"2003","unstructured":"Haram K, Mortensen JH, Wollen AL (2003) Preterm delivery: an overview. Acta Obstet Gynecol Scand 82:687\u2013704","journal-title":"Acta Obstet Gynecol Scand"},{"key":"2740_CR2","doi-asserted-by":"crossref","first-page":"671","DOI":"10.1002\/uog.5156","volume":"30","author":"KH Nicolaides","year":"2007","unstructured":"Nicolaides KH (2007) Some thoughts on the true value of ultrasound. Ultrasound Obstet Gynecol 30:671\u2013674","journal-title":"Ultrasound Obstet Gynecol"},{"key":"2740_CR3","doi-asserted-by":"crossref","first-page":"761","DOI":"10.1055\/s-0029-1239495","volume":"26","author":"A Sinno","year":"2009","unstructured":"Sinno A, Usta IM, Nassar AH (2009) A short cervical length in pregnancy: management options. Am J Perinatol 26:761\u2013770","journal-title":"Am J Perinatol"},{"key":"2740_CR4","doi-asserted-by":"crossref","first-page":"54","DOI":"10.1002\/uog.7457","volume":"35","author":"A Sotiriadis","year":"2010","unstructured":"Sotiriadis A, Papatheodorou S, Kavvadias A, Makrydimas G (2010) Transvaginal cervical length measurement for prediction of preterm birth in women with threatened preterm labor: a meta-analysis. Ultrasound Obstet Gynecol 35:54\u201364","journal-title":"Ultrasound Obstet Gynecol"},{"key":"2740_CR5","doi-asserted-by":"crossref","first-page":"692","DOI":"10.1111\/j.1471-0528.2011.03203.x","volume":"119","author":"LC Poon","year":"2012","unstructured":"Poon LC, Savvas M, Zamblera D, Skyfta E, Nicolaides KH (2012) Large loop excision of transformation zone and cervical length in the prediction of spontaneous preterm delivery. BJOG 119:692\u2013698","journal-title":"BJOG"},{"key":"2740_CR6","doi-asserted-by":"crossref","first-page":"471","DOI":"10.1002\/uog.7673","volume":"36","author":"E Vaisbuch","year":"2010","unstructured":"Vaisbuch E, Romero R, Erez O, Kusanovic JP, Mazaki-Tovi S, Gotsch F et al (2010) Clinical significance of early (<\u00a020\u00a0weeks) vs. late (20\u201324\u00a0weeks) detection of sonographic short cervix in asymptomatic women in the mid-trimester. Ultrasound Obstet Gynecol 36:471\u2013481","journal-title":"Ultrasound Obstet Gynecol"},{"key":"2740_CR7","doi-asserted-by":"crossref","unstructured":"Mancuso MS, Szychowski JM, Owen J, Hankins G, Iams JD, Sheffield JS et al. (2010) Cervical funneling: effect on gestational length and ultrasound-indicated cerclage in high-risk women. Am J Obstet Gynecol 203:259.e1\u2013259.e5","DOI":"10.1016\/j.ajog.2010.07.002"},{"key":"2740_CR8","doi-asserted-by":"crossref","first-page":"14","DOI":"10.1016\/j.jgyn.2011.10.004","volume":"41","author":"E Petit","year":"2012","unstructured":"Petit E, Abergel A, Dedet B, Subtil D (2012) The role of infection in preterm birth (article in French). J Gynecol Obstet Biol Reprod (Paris) 41:14\u201325","journal-title":"J Gynecol Obstet Biol Reprod (Paris)"},{"key":"2740_CR9","doi-asserted-by":"crossref","first-page":"217","DOI":"10.1046\/j.1469-0705.2001.00369.x","volume":"17","author":"MS To","year":"2001","unstructured":"To MS, Skentou C, Chan C, Zagaliki A, Nicolaides KH (2001) Cervical assessment at the routine 23-week scan: standardizing techniques. Ultrasound Obstet Gynecol 17:217\u2013219","journal-title":"Ultrasound Obstet Gynecol"},{"key":"2740_CR10","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1002\/uog.9073","volume":"38","author":"S Campbell","year":"2011","unstructured":"Campbell S (2011) Universal cervical-length screening and vaginal progesterone prevents early preterm births, reduces neonatal morbidity and is cost saving: doing nothing is no longer an option. Ultrasound Obstet Gynecol 38:1\u20139","journal-title":"Ultrasound Obstet Gynecol"},{"key":"2740_CR11","doi-asserted-by":"crossref","first-page":"38","DOI":"10.1002\/uog.9004","volume":"38","author":"JM Crane","year":"2011","unstructured":"Crane JM, Hutchens D (2011) Transvaginal ultrasonographic measurement of cervical length in asymptomatic high-risk women with a short cervical length in the previous pregnancy. Ultrasound Obstet Gynecol 38:38\u201343","journal-title":"Ultrasound Obstet Gynecol"},{"key":"2740_CR12","doi-asserted-by":"crossref","unstructured":"Fonseca EB, Celik E, Parra M, Singh M, Nicolaides KH; Fetal Medicine Foundation Second Trimester Screening Group (2007) Progesterone and the risk of preterm among women with a short cervix. N Engl J Med 357:462\u2013469","DOI":"10.1056\/NEJMoa067815"},{"key":"2740_CR13","doi-asserted-by":"crossref","first-page":"350","DOI":"10.1590\/S0100-72031998000600008","volume":"20","author":"AA Yamasaki","year":"1998","unstructured":"Yamasaki AA, Bittar RE, Fonseca ESB, Martinelli S, Sasaki S, Zugaib M (1998) Prevention of preterm birth: use of digital examination and transvaginal ultrasonography (article in Portuguese). Rev Bras Ginecol Obstet 20:350\u2013356","journal-title":"Rev Bras Ginecol Obstet"},{"key":"2740_CR14","doi-asserted-by":"crossref","first-page":"1530","DOI":"10.1016\/S0002-9378(99)70400-X","volume":"181","author":"J Keelan","year":"1999","unstructured":"Keelan J, Marvin K, Sato T, Coleman M, McCowan L, Mitchell M (1999) Cytokine abundance in placental tissues: evidence of inflammatory activation in gestational membranes with term and preterm parturition. Am J Obstet Gynecol 181:1530\u20131536","journal-title":"Am J Obstet Gynecol"},{"key":"2740_CR15","doi-asserted-by":"crossref","first-page":"29","DOI":"10.1095\/biolreprod.105.045328","volume":"74","author":"D Kumar","year":"2006","unstructured":"Kumar D, Fung W, Moore RM, Pandey V, Fox J, Stetzer B et al (2006) Proinflammatory cytokines found in amniotic fluid induce cervical remodeling, apoptosis, and biophysical weakening of cultured human fetal membranes. Biol Reprod 74:29\u201334","journal-title":"Biol Reprod"},{"key":"2740_CR16","doi-asserted-by":"crossref","unstructured":"Keeler SM, Kiefer DG, Rust OA, Vintzileos A, Atlas RO, Bornstein E et al. (2009) Comprehensive amniotic fluid cytokine profile evaluation in women with a short cervix: which cytokine(s) correlates best with outcome? Am J Obstet Gynecol 201:276.e1\u2013276.e6","DOI":"10.1016\/j.ajog.2009.05.045"},{"key":"2740_CR17","doi-asserted-by":"crossref","unstructured":"Kiefer DG, Keeler SM, Rust O, Chow SS, Craig ME, Peltier MR et al. (2012) Amniotic fluid inflammatory score is associated with pregnancy outcome in patients with mid trimester short cervix. Am J Obstet Gynecol 206:68.e1\u201368.e6","DOI":"10.1016\/j.ajog.2011.08.002"},{"key":"2740_CR18","doi-asserted-by":"crossref","first-page":"13","DOI":"10.1016\/S0002-9378(97)70431-9","volume":"177","author":"AM Peaceman","year":"1997","unstructured":"Peaceman AM, Andrews WW, Thorp JM (1997) Fetal fibronectin as a predictor of preterm birth in patients with symptoms: a multicenter trial. Am J Obstet Gynecol 177:13\u201318","journal-title":"Am J Obstet Gynecol"},{"key":"2740_CR19","doi-asserted-by":"crossref","first-page":"38","DOI":"10.1111\/j.1447-0756.2007.00474.x","volume":"33","author":"S Yoneda","year":"2007","unstructured":"Yoneda S, Sakai M, Sasaki Y, Shiozaki A, Hidaka T, Saito S (2007) Interleukin-8 and glucose in amniotic fluid, fetal fibronectin in vaginal secretions and preterm labor index based on clinical variables are optimal markers for preterm delivery in patients with intact membranes. J Obstet Gynaecol Res 33:38\u201344","journal-title":"J Obstet Gynaecol Res"},{"key":"2740_CR20","doi-asserted-by":"crossref","first-page":"1","DOI":"10.3310\/hta13430","volume":"13","author":"H Honest","year":"2009","unstructured":"Honest H, Forbes CA, Dur\u00e9e KH, Norman G, Duffy SB, Tsourapas A et al (2009) Screening to prevent spontaneous preterm birth: systematic reviews of accuracy and effectiveness literature with economic modelling. Health Technol Assess 13:1\u2013627","journal-title":"Health Technol Assess"},{"key":"2740_CR21","doi-asserted-by":"crossref","first-page":"335","DOI":"10.1046\/j.1469-0705.2001.00345.x","volume":"17","author":"S Cicero","year":"2001","unstructured":"Cicero S, Skentou C, Souka A, To MS, Nicolaides KH (2001) Cervical length at 22\u201324 weeks of gestation: comparison of transvaginal and transperineal-translabial ultrasonography. Ultrasound Obstet Gynecol 17:335\u2013340","journal-title":"Ultrasound Obstet Gynecol"},{"key":"2740_CR22","doi-asserted-by":"crossref","first-page":"859","DOI":"10.1016\/0002-9378(90)91084-P","volume":"163","author":"HF Andersen","year":"1990","unstructured":"Andersen HF, Nugent CE, Wanty SD, Hayashi RH (1990) Prediction of risk for preterm delivery by ultrasonographic measurement of cervical length. Am J Obstetr Gynecol 163:859\u2013867","journal-title":"Am J Obstetr Gynecol"},{"key":"2740_CR23","doi-asserted-by":"crossref","first-page":"18","DOI":"10.1002\/uog.9017","volume":"38","author":"SS Hassan","year":"2011","unstructured":"Hassan SS, Romero R, Vidyadhari D, Fusey S, Baxter JK, Khandelwal M et al (2011) Vaginal progesterone reduces the rate of preterm birth in women with a sonographic short cervix: a multicenter, randomized, double-blind, placebo-controlled trial. Ultrasound Obstet Gynecol 38:18\u201331","journal-title":"Ultrasound Obstet Gynecol"},{"key":"2740_CR24","doi-asserted-by":"crossref","first-page":"362","DOI":"10.1002\/uog.2773","volume":"27","author":"MS To","year":"2006","unstructured":"To MS, Skentou CA, Royston P, Yu CK, Nicolaides KH (2006) Prediction of patient-specific risk of early preterm delivery using maternal history and sonographic measurement of cervical length: a population-based prospective study. Ultrasound Obstet Gynecol 27:362\u2013367","journal-title":"Ultrasound Obstet Gynecol"},{"key":"2740_CR25","doi-asserted-by":"crossref","first-page":"653","DOI":"10.1002\/uog.7338","volume":"34","author":"JM O\u2019Brien","year":"2009","unstructured":"O\u2019Brien JM, Defranco EA, Adair CD, Lewis DF, Hall DR, How H et al (2009) Effect of progesterone on cervical shortening in women at risk for preterm birth: secondary analysis from a multinational, randomized, double-blind, placebo-controlled trial. Ultrasound Obstet Gynecol 34:653\u2013659","journal-title":"Ultrasound Obstet Gynecol"},{"key":"2740_CR26","doi-asserted-by":"crossref","first-page":"586","DOI":"10.1067\/mob.2003.137","volume":"188","author":"J Owen","year":"2003","unstructured":"Owen J, Iams JD, Hauth JC (2003) Vaginal sonography and cervical incompetence. Am J Obstet Gynecol 188:586\u2013596","journal-title":"Am J Obstet Gynecol"},{"key":"2740_CR27","doi-asserted-by":"crossref","first-page":"328","DOI":"10.1046\/j.1469-0705.1998.12050328.x","volume":"12","author":"T Sekiya","year":"1998","unstructured":"Sekiya T, Ishihara K, Yoshimatsu K, Fukami T, Kikuchi S, Araki T (1998) Detection rate of the cervical gland area during pregnancy by transvaginal sonography in the assessment of cervical maturation. Ultrasound Obstet Gynecol 12:328\u2013333","journal-title":"Ultrasound Obstet Gynecol"},{"key":"2740_CR28","doi-asserted-by":"crossref","first-page":"149","DOI":"10.1159\/000058366","volume":"53","author":"K Yoshimatsu","year":"2002","unstructured":"Yoshimatsu K, Sekiya T, Ishihara K, Fukami T, Otabe T, Araki T (2002) Detection of cervical gland area in threatened preterm labor using transvaginal sonography in the assessment of cervical maturation and the outcome of pregnancy. Gynecol Obstet Invest 53:149\u2013156","journal-title":"Gynecol Obstet Invest"},{"key":"2740_CR29","doi-asserted-by":"crossref","first-page":"135","DOI":"10.1272\/jnms.70.135","volume":"70","author":"T Fukami","year":"2003","unstructured":"Fukami T, Ishihara K, Sekiya T, Araki T (2003) Is transvaginal ultrasonography at mid-trimester useful for predicting early spontaneous preterm birth? J Nippon Med Sch 70:135\u2013140","journal-title":"J Nippon Med Sch"},{"key":"2740_CR30","doi-asserted-by":"crossref","first-page":"193","DOI":"10.1590\/S0100-72032004000300004","volume":"26","author":"CR Pires","year":"2004","unstructured":"Pires CR, Moron AF, Mattar RM, Kulay Junior L (2004) Assessment of cervix length and absent of echo-glandular endocervical to predict preterm delivery (article in Portuguese). Rev Bras Ginecol Obstet 26:193\u2013200","journal-title":"Rev Bras Ginecol Obstet"},{"key":"2740_CR31","doi-asserted-by":"crossref","first-page":"214","DOI":"10.1016\/j.ijgo.2005.12.010","volume":"93","author":"CR Pires","year":"2006","unstructured":"Pires CR, Moron AF, Mattar R, Diniz AL, Andrade SG, Bussamra LC (2006) Cervical gland area as an ultrasonographic marker for preterm delivery. Int J Gynaecol Obstet 93:214\u2013219","journal-title":"Int J Gynaecol Obstet"},{"key":"2740_CR32","doi-asserted-by":"crossref","first-page":"346","DOI":"10.1002\/uog.1871","volume":"25","author":"J Espinoza","year":"2005","unstructured":"Espinoza J, Gon\u00e7alves LF, Romero R, Nien JK, Stites S, Kim YM et al (2005) The prevalence and clinical significance of amniotic fluid \u2018sludge\u2019 in patients with preterm labor and intact membranes. Ultrasound Obstet Gynecol 25:346\u2013352","journal-title":"Ultrasound Obstet Gynecol"},{"key":"2740_CR33","doi-asserted-by":"crossref","first-page":"706","DOI":"10.1002\/uog.4081","volume":"30","author":"JP Kusanovic","year":"2007","unstructured":"Kusanovic JP, Espinoza J, Romero R, Gon\u00e7alves LF, Nien JK, Soto E et al (2007) Clinical significance of the presence of amniotic fluid \u201csludge\u201d in asymptomatic patients at high risk for spontaneous preterm delivery. Ultrasound Obstet Gynecol 30:706\u2013714","journal-title":"Ultrasound Obstet Gynecol"},{"key":"2740_CR34","doi-asserted-by":"crossref","first-page":"815","DOI":"10.1055\/s-0031-1295638","volume":"28","author":"E Himaya","year":"2011","unstructured":"Himaya E, Rhalmi N, Girard M, T\u00e9tu A, Desgagn\u00e9 J, Abdous B et al (2011) Midtrimester intra-amniotic sludge and the risk of spontaneous preterm birth. Am J Perinatol 28:815\u2013820","journal-title":"Am J Perinatol"},{"key":"2740_CR35","doi-asserted-by":"crossref","first-page":"49","DOI":"10.1055\/s-2006-958164","volume":"24","author":"NS Fox","year":"2007","unstructured":"Fox NS, Jean-Pierre C, Predanic M, Chasen ST (2007) Does hospitalization prevent preterm delivery in the patient with a short cervix? Am J Perinatol 24:49\u201353","journal-title":"Am J Perinatol"},{"key":"2740_CR36","doi-asserted-by":"crossref","first-page":"77","DOI":"10.1186\/1471-2393-11-77","volume":"11","author":"MA Os van","year":"2011","unstructured":"van Os MA, van der Ven JA, Kleinrouweler CE, Pajkrt E, de Miranda E, van Wassenaer A et al (2011) Preventing preterm birth with progesterone: costs and effects of screening low risk women with a singleton pregnancy for short cervical length, the Triple P study. BMC Pregnancy Childbirth 11:77","journal-title":"BMC Pregnancy Childbirth"},{"key":"2740_CR37","doi-asserted-by":"crossref","unstructured":"Romero R, Nicolaides K, Conde-Agudelo A, Tabor A, O\u2019Brien JM, Cetingoz E et al. (2012) Vaginal progesterone in women with an asymptomatic sonographic short cervix in the midtrimester decreases preterm delivery and neonatal morbidity: a systematic review and metaanalysis of individual patient data. Am J Obstet Gynecol 206:124.e1\u2013124.e19","DOI":"10.1016\/j.ajog.2011.12.003"},{"key":"2740_CR38","doi-asserted-by":"crossref","first-page":"468","DOI":"10.1002\/uog.7547","volume":"35","author":"V Berghella","year":"2010","unstructured":"Berghella V, Keeler SM, To MS, Althuisius SM, Rust OA (2010) Effectiveness of cerclage according to severity of cervical length shortening: a meta-analysis. Ultrasound Obstet Gynecol 35:468\u2013473","journal-title":"Ultrasound Obstet Gynecol"},{"key":"2740_CR39","doi-asserted-by":"crossref","first-page":"663","DOI":"10.1097\/AOG.0b013e31820ca847","volume":"117","author":"V Berghella","year":"2011","unstructured":"Berghella V, Rafael TJ, Szychowski JM, Rust OA, Owen J (2011) Cerclage for short cervix on ultrasonography in women with singleton gestations and previous preterm birth: a meta-analysis. Obstet Gynecol 117:663\u2013671","journal-title":"Obstet Gynecol"},{"key":"2740_CR40","doi-asserted-by":"crossref","first-page":"224","DOI":"10.1111\/j.1479-828X.2012.01440.x","volume":"52","author":"R Simcox","year":"2012","unstructured":"Simcox R, Shennan A (2012) Reinforcing cerclage in the prevention of preterm birth in women at high risk: a retrospective case-controlled study. Aust N Z J Obstet Gynaecol 52:224\u2013228","journal-title":"Aust N Z J Obstet Gynaecol"},{"key":"2740_CR41","doi-asserted-by":"crossref","first-page":"122","DOI":"10.1515\/JPM.2003.017","volume":"31","author":"B Arabin","year":"2003","unstructured":"Arabin B, Halbesma JR, Vork F, Hubener M, van Eyck J (2003) Is treatment with vaginal pessaries an option in patients with a sonographically detected short cervix? J Perinat Med 31:122\u2013133","journal-title":"J Perinat Med"},{"key":"2740_CR42","doi-asserted-by":"crossref","first-page":"469","DOI":"10.1080\/14767050802531748","volume":"22","author":"P Sieroszewski","year":"2009","unstructured":"Sieroszewski P, Jasi\u0144ski A, Perenc M, Banach R, Oszukowski P (2009) The Arabin pessary for the treatment of threatened mid-trimester miscarriage or premature labour and miscarriage: a case series. J Matern Fetal Neonatal Med 22:469\u2013472","journal-title":"J Matern Fetal Neonatal Med"},{"key":"2740_CR43","doi-asserted-by":"crossref","first-page":"1800","DOI":"10.1016\/S0140-6736(12)60030-0","volume":"379","author":"M Goya","year":"2012","unstructured":"Goya M, Pratcorona L, Merced C, Rod\u00f3 C, Valle L, Romero A et al (2012) Cervical pessary in pregnant women with a short cervix (PECEP): an open-label randomised controlled trial. Lancet 379:1800\u20131806","journal-title":"Lancet"},{"key":"2740_CR44","doi-asserted-by":"crossref","first-page":"733","DOI":"10.1111\/j.1447-0756.2010.01203.x","volume":"4","author":"T Yoshizato","year":"2010","unstructured":"Yoshizato T, Inoue Y, Fukami T, Sanui A, Miyamato S, Kawarabayashi T (2010) Longitudinal changes in canal length at 16\u201335\u00a0weeks in normal twin pregnancies and twin pregnancies with preterm labor and delivery. J Obstet Gynaecol Res 4:733\u2013738","journal-title":"J Obstet Gynaecol Res"},{"key":"2740_CR45","doi-asserted-by":"crossref","first-page":"1365","DOI":"10.3109\/14767058.2010.499484","volume":"23","author":"A Conde-Agudelo","year":"2010","unstructured":"Conde-Agudelo A, Romero R (2010) Cervicovaginal fetal fibronectin for the prediction of spontaneous preterm birth in multiple pregnancies: a systematic review and meta-analysis. J Matern Fetal Neonatal Med 23:1365\u20131376","journal-title":"J Matern Fetal Neonatal Med"},{"key":"2740_CR46","doi-asserted-by":"crossref","first-page":"561","DOI":"10.1002\/uog.1048","volume":"23","author":"JL Gibson","year":"2004","unstructured":"Gibson JL, Macar LM, Owen P, Young D, Macauly J, Mackenzie F (2004) Prediction of preterm delivery in twin pregnancy: a prospective, observational study of cervical length and fetal fibronectin testing. Ultrasound Obstet Gynecol 23:561\u2013566","journal-title":"Ultrasound Obstet Gynecol"},{"key":"2740_CR47","doi-asserted-by":"crossref","unstructured":"Fox NS, Saltzman DH, Klauser CK, Peress D, Gutierrez CV, Rebarber A (2009) Prediction of spontaneous preterm birth in asymptomatic twin pregnancies with the use of combined fetal fibronectin and cervical length. Am J Obstet Gynecol 201:313.e1\u2013313.e5","DOI":"10.1016\/j.ajog.2009.06.018"},{"key":"2740_CR48","doi-asserted-by":"crossref","unstructured":"Klein K, Rode L, Nicolaides KH, Krampl-Bettelheim E, Tabor A; PREDICT Group (2011) Vaginal micronized progesterone and risk of preterm delivery in high-risk twin pregnancies: secondary analysis of a placebo-controlled randomized trial and meta-analysis. Ultrasound Obstet Gynecol 38:281\u2013287","DOI":"10.1002\/uog.9092"},{"key":"2740_CR49","doi-asserted-by":"crossref","first-page":"1360","DOI":"10.3109\/14767051003702786","volume":"23","author":"CP Durnwald","year":"2010","unstructured":"Durnwald CP, Momirova V, Peaceman AM (2010) Second trimester cervical length and risk of preterm birth in women with twin gestations treated with 17 alpha hydroxyprogesterone caproate. J Matern Fetal Neonatal Med 23:1360\u20131364","journal-title":"J Matern Fetal Neonatal Med"},{"key":"2740_CR50","doi-asserted-by":"crossref","unstructured":"Rode L, Klein K, Nicolaides KH, Krampl-Bettelheim, Tabor A, for the PREDICT Group (2011) Prevention of preterm delivery in twin gestations (PREDICT): a multicenter, randomized, placebo-controlled trial on the effect of vaginal micronized progesterone. Ultrasound Obstet Gynecol 38:272\u2013280","DOI":"10.1002\/uog.9093"},{"key":"2740_CR51","doi-asserted-by":"crossref","first-page":"190","DOI":"10.1053\/j.semperi.2012.02.003","volume":"3","author":"SG Brubaker","year":"2012","unstructured":"Brubaker SG, Gyamfi C (2012) Prediction and prevention of spontaneous preterm birth in twin gestations. Semin Perinatol 3:190\u2013194","journal-title":"Semin Perinatol"}],"container-title":["Archives of Gynecology and Obstetrics"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s00404-013-2740-0.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/s00404-013-2740-0\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s00404-013-2740-0","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,7,9]],"date-time":"2019-07-09T05:32:11Z","timestamp":1562650331000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/s00404-013-2740-0"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2013,2,7]]},"references-count":51,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2013,4]]}},"alternative-id":["2740"],"URL":"https:\/\/doi.org\/10.1007\/s00404-013-2740-0","relation":{},"ISSN":["0932-0067","1432-0711"],"issn-type":[{"value":"0932-0067","type":"print"},{"value":"1432-0711","type":"electronic"}],"subject":[],"published":{"date-parts":[[2013,2,7]]}}}