References
- Martin JA, Hamilton BE, Osterman MJK. Three decades of twin births in the United States, 1980–2009. NCHS data brief, no 80. Hyattsville, MD: National Center for Health Statistics; 2012
- Iams JD, Goldenberg RL, Meis PJ, et al. The length of the cervix and the risk of spontaneous premature delivery. New Engl J Med 2012;334:567–72
- Goldenberg RL, Mercer BM, Meis PJ, et al. The preterm prediction study: fetal fibronectin testing and spontaneous preterm birth. NICHD Maternal Fetal Medicine Units Network. Obstet Gynecol 1996;87:643–8
- Peaceman AM, Andrews WW, Thorp JM, et al. Fetal fibronectin as a predictor of preterm birth in patients with symptoms: a multicenter trial. Am J Obstet Gynecol 1997;177:13–18
- Goldenberg RL, Iams JD, Miodovnik M, et al. The preterm prediction study: risk factors in twin gestations. Am J Obstet Gynecol 1996;175:1047–53
- Yang JH, Kuhlman K, Daly S, Berghella V. Prediction of preterm birth by second trimester cervical sonography in twin pregnancies. Ultrasound Obstet Gynecol 2000;15:288–91
- Fox NS, Saltzman DH, Klauser CK, et al. Prediction of spontaneous preterm birth in asymptomatic twin pregnancies with the use of combined fetal fibronectin and cervical length. Am J Obstet Gynecol 2009;201:313.e1–5
- Fox NS, Rebarber A, Roman AS, et al. The association between second trimester cervical length and spontaneous preterm birth in twin pregnancies. J Ultrasound Med 2010;29:1733–9
- ACOG Practice Bulletin Number 127. Management of preterm labor. Obstet Gynecol 2012;120:197--206
- Roman AS, Koklanaris N, Paidas MJ, et al. “Blind” vaginal fetal fibronectin as a predictor of spontaneous preterm delivery. Obstet Gynecol 2005;105:285–9
- Hashimoto LN, Hornung RW, Lindsell CJ, et al. Effects of antenatal glucocorticoids on outcomes of very low birth weight multifetal gestations. Am J Obstet Gynecol 2002;187:804–10
- Blickstein I, Reichman B, Lusky A, Shinwell ES. Israel Neonatal Network. Plurality-dependent risk of severe intraventricular hemorrhage among very low birth weight infants and antepartum corticosteroid treatment. Am J Obstet Gynecol 2006;194:1329–33
- Murphy DJ, Caukwell S, Joels LA, Wardle P. Cohort study of the neonatal outcome of twin pregnancies that were treated with prophylactic or rescue antenatal corticosteroids. Am J Obstet Gynecol 2002;187:483–8
- Turrentine MA, Wilson PD, Wilkins IA. A retrospective analysis of the effect of antenatal steroid administration on the incidence of respiratory distress syndrome in preterm twin pregnancies. Am J Perinatol 1996;13:351–4
- Report on the Consensus Development Conference on the Effect of Corticosteroids for Fetal Maturation on Perinatal Outcomes. U.S. Department of Health and Human Services, Public Health Service, NIH Pub No. 95-3784, November; 1994
- ACOG Committee on Obstetric Practice. ACOG Committee Opinion No. 475: Antenatal corticosteroid therapy for fetal maturation. Obstet Gynecol 2011;117:422--4
- RCOG Guidelines. Number 7. ACS to prevent respiratory distress syndrome. London: RCOG; 1996
- Crane J, Armson A, Brunner M, et al. Antenatal corticosteroid therapy for fetal maturation. J Obstet Gynaecol Can 2003;25:45–52
- Donovan EF, Ehrenkranz RA, Shankaran S, et al. Outcomes of very low birth weight twins cared for in the National Institute of Child Health and Human Development Neonatal Research Network's intensive care units. Am J Obstet Gynecol 1998;173:742--9
- Joseph KS, Allen AC, Dodds L, et al. Causes and consequences of recent increases in preterm birth among twins. Obstet Gynecol 2001;98:57–64
- Lee HC, Lyndon A, Blumenfeld YJ, et al. Antenatal steroid administration for premature neonates in California. Obstet Gynecol 2011;117:603–9