2. Martin JA, Kung HC, Mathews TJ, Hoyert DL, Strobino DM, Guyer B, et al. Annual summary of vital statistics: 2006. Pediatrics 2008;121:788-801. PMID:
18381544.
3. Loftin RW, Habli M, Snyder CC, Cormier CM, Lewis DF, Defranco EA. Late preterm birth. Rev Obstet Gynecol 2010;3:10-19. PMID:
20508778.
4. Newman RB, Unal ER. Multiple gestations: timing of indicated late preterm and early-term births in uncomplicated dichorionic, monochorionic, and monoamniotic twins. Semin Perinatol 2011;35:277-285. PMID:
21962627.
5. Tomashek KM, Shapiro-Mendoza CK, Davidoff MJ, Petrini JR. Differences in mortality between late preterm and term singleton infants in the United States, 1995-2002. J Pediatr 2007;151:450-456.e1. PMID:
17961684.
6. Brown HK, Speechley KN, Macnab J, Natale R, Campbell MK. Neonatal morbidity associated with late preterm and early term birth: the roles of gestational age and biological determinants of preterm birth. Int J Epidemiol 2014;43:802-814. PMID:
24374829.
7. Ribicic R, Kranjcec I, Borosak J, Tumbri J, Mihovilovic Prajz L, Ribicic T. Perinatal outcome of singleton versus twin late preterm infants: do twins mature faster than singletons? J Matern Fetal Neonatal Med 2016;29:1520-1524. PMID:
26103779.
8. Spong CY, Mercer BM, D'alton M, Kilpatrick S, Blackwell S, Saade G. Timing of indicated late preterm and early-term birth. Obstet Gynecol 2011;118:323-333. PMID:
21775849.
9. Jakiel G, Wilińska M, Bińkowska M, Kowal A, Rumowska S, Ciebiera M. Late preterm infants - impact of perinatal factors on neonatal results. A clinical study. Ann Agric Environ Med 2015;22:536-541. PMID:
26403130.
10. Tsai ML, Lien R, Chiang MC, Hsu JF, Fu RH, Chu SM, et al. Prevalence and morbidity of late preterm infants: current status in a medical center of Northern Taiwan. Pediatr Neonatol 2012;53:171-177. PMID:
22770105.
11. Davidoff MJ, Dias T, Damus K, Russell R, Bettegowda VR, Dolan S, et al. Changes in the gestational age distribution among U.S. singleton births: impact on rates of late preterm birth, 1992 to 2002. Semin Perinatol 2006;30:8-15. PMID:
16549207.
12. Büscher U, Horstkamp B, Wessel J, Chen FC, Dudenhausen JW. Frequency and significance of preterm delivery in twin pregnancies. Int J Gynaecol Obstet 2000;69:1-7. PMID:
10760526.
13. Elliott JP, Istwan NB, Collins A, Rhea D, Stanziano G. Indicated and non-indicated preterm delivery in twin gestations: impact on neonatal outcome and cost. J Perinatol 2005;25:4-7. PMID:
15496871.
14. Christopher D, Robinson BK, Peaceman AM. An evidence-based approach to determining route of delivery for twin gestations. Rev Obstet Gynecol 2011;4:109-116. PMID:
22229063.
15. Friedman SA, Schiff E, Kao L, Kuint J, Sibai BM. Do twins mature earlier than singletons? Results from a matched cohort study. Am J Obstet Gynecol 1997 176:1193-1196. discusstion 6-9. PMID:
9215173.
16. Shinwell ES, Haklai T, Eventov-Friedman S. Outcomes of multiplets. Neonatology 2009;95:6-14. PMID:
18832859.
17. Simchen MJ, Okrent Smolar AL, Dulitzky M, Sivan E, Morag I. Neonatal morbidities and need for intervention in twins and singletons born at 34-35 weeks of gestation. J Perinat Med 2016;44:887-892. PMID:
26677882.
18. Engle WA, Kominiarek MA. Late preterm infants, early term infants, and timing of elective deliveries. Clin Perinatol 2008;35:325-341. viPMID:
18456072.
19. Kilpatrick SJ, Jackson R, Croughan-Minihane MS. Perinatal mortality in twins and singletons matched for gestational age at delivery at > or = 30 weeks. Am J Obstet Gynecol 1996;174:66-71. PMID:
8572036.
20. Lee HJ, Kim SH, Chang KH, Sung JH, Choi SJ, Oh SY, et al. Gestational age at delivery and neonatal outcome in uncomplicated twin pregnancies: what is the optimal gestational age for delivery according to chorionicity? Obstet Gynecol Sci 2016;59:9-16. PMID:
26866030.
21. Lee JH, Jun JK. Management of twin delivery. Korean J Perinatol 2007;18:95-100.
22. Gielen M, Lindsey PJ, Derom C, Loos RJ, Souren NY, Paulussen AD, et al. Twin-specific intrauterine ‘growth’ charts based on cross-sectional birthweight data. Twin Res Hum Genet 2008;11:224-235. PMID:
18361725.
23. Odibo AO, Cahill AG, Goetzinger KR, Harper LM, Tuuli MG, Macones GA. Customized growth charts for twin gestations to optimize identification of small-for-gestational age fetuses at risk of intrauterine fetal death. Ultrasound Obstet Gynecol 2013;41:637-642. PMID:
23334992.
24. Ballabh P, Kumari J, AlKouatly HB, Yih M, Arevalo R, Rosenwaks Z, et al. Neonatal outcome of triplet versus twin and singleton pregnancies: a matched case control study. Eur J Obstet Gynecol Reprod Biol 2003;107:28-36. PMID:
12593890.
25. Feldman K, Woolcott C, O'Connell C, Jangaard K. Neonatal outcomes in spontaneous versus obstetrically indicated late preterm births in a nova scotia population. J Obstet Gynaecol Can 2012;34:1158-1166. PMID:
23231798.
26. Burgess JL, Unal ER, Nietert PJ, Newman RB. Risk of late preterm stillbirth and neonatal morbidity for monochorionic and dichorionic twins. Am J Obstet Gynecol 2014;210:578PMID:
24607757.
27. Jung YJ, Kwon JY, Cho HY, Park YW, Kim YH. Comparison of the performance of screening test for gestational diabetes in singleton versus twin pregnancies. Obstet Gynecol Sci 2015;58:439-445. PMID:
26623406.