Early spontaneous preterm deliveries before 34 weeks’ gestation in a tertiary care centre: analysis of maternal factors and obstetric history

References

• Saigal S, Doyle LW. An overview of mortality and sequelae of preterm birth from infancy to adulthood. Lancet 2008;371:261–2
   PubMed Web of Science ®Google Scholar
• Centre for Maternal and Child Enquiries (CMACE). Perinatal mortality 2008: United Kingdom. CMACE: London; 2010
   Google Scholar
• Fonseca EB, Bittar RE, Carvalho MH, Zugaib M. Prophylactic administration of progesterone by vaginal suppository to reduce the incidence of spontaneous preterm birth in women at increased risk: a randomized placebocontrolled double-blind study. Am J Obstet Gynecol 2003;188:419–24
   PubMed Web of Science ®Google Scholar
• Fonseca RB, Celik E, Parra M, et al. Progesterone and the risk of preterm birth among women with a short cervix. N Engl J Med 2007;357:462–9
   PubMed Web of Science ®Google Scholar
• Berghella V, Odibo AO, To MS, et al. Cerclage for short cervix on ultrasonography: meta-analysis of trials using individual patient-level data. Obstet Gynecol 2005;106:181–9
   PubMed Web of Science ®Google Scholar
• Meis PJ, Klebanoff M, Thom E, et al. National Institute of Child Health and Human Development Maternal-Fetal Medicine Units Network. Prevention of recurrent preterm delivery by 17 alpha-hydroxyprogesterone caproate. N Engl J Med 2003;348:2379–85
   PubMed Web of Science ®Google Scholar
• Goldenberg RL, Culhane JF, Iams JD, Romero R. Epidemiology and causes of preterm birth. Lancet 2008;371:75–84
   PubMed Web of Science ®Google Scholar
• Celik E, To M, Gajewska K, et al. Fetal Medicine Foundation Second Trimester Screening Group. Cervical length and obstetric history predict spontaneous preterm birth: development and validation of a model to provide individualized risk assessment. Ultrasound Obstet Gynecol 2008;31:549–54
   PubMed Web of Science ®Google Scholar
• Bakketeig LS, Hoffman HJ, Harley EE. The tendency to repeat gestational age and birth weight in successive births. Am J Obstet Gynecol 1979;135:1086–103
   PubMed Web of Science ®Google Scholar
• Iams JD, Stilson R, Johnson FF, et al. Symptoms that precede preterm labour and preterm premature rupture of the membranes. Am J Obstet Gynecol 1990;162:486–90
   PubMedGoogle Scholar
• Burguet A, Kaminski M, Abraham-Lerat L, et al. The complex relationship between smoking in pregnancy and very preterm delivery. Results of the Epipage study. BJOG 2004;111:258–65
   PubMed Web of Science ®Google Scholar
• Brown MA, Lindheimer MD, de Swiet M, et al. The classification and diagnosis of the hypertensive disorders of pregnancy: statement from the International Society for the Study of Hypertension in Pregnancy (ISSHP). 2001;20: IX–XIV
   Google Scholar
• De Benoist B, McLean E, Egli I, Cogswell M. Worldwide prevalence of anaemia 1993–2005: WHO Global Database on Anaemia. Geneva: World Health Organization; 2008
   Google Scholar
• Celik E, To M, Gajewska K, et al. Fetal Medicine Foundation Second Trimester Screening Group. Cervical length and obstetric history predict spontaneous preterm birth: development and validation of a model to provide individualized risk assessment. Ultrasound Obstet Gynecol 2008;31:549–54
   PubMed Web of Science ®Google Scholar
• Keirse MJ, Rush RW, Anderson AB, Turnbull AC. Risk of pre-term delivery in patients with previous pre-term delivery and/or abortion. Br J Obstet Gynaecol 1978;85:81–5
   PubMedGoogle Scholar
• Ananth CV, Getahun D, Peltier MR, et al. Recurrence of spontaneous versus medically indicated preterm birth. Am J Obstet Gynecol 2006;195:643–50
   PubMed Web of Science ®Google Scholar
• McManemy J, Cooke E, Amon E, Leet T. Recurrence risk for preterm delivery. Am J Obstet Gynecol 2007;196:571–6
   Google Scholar
• Wang YA, Sullivan EA, Black D, et al. Preterm birth and low birth weight after assisted reproductive technology related pregnancy in Australia between 1996 and 2000. Fertil Steril 2005;83:1650–8
   PubMed Web of Science ®Google Scholar
• Blickstein I. Does assisted reproduction technology, per se, increase the risk of preterm birth? BJOG 2006;113:68–71.
   PubMed Web of Science ®Google Scholar
• Scanlon KS, Yip R, Schieve LA, Cogswell ME. High and low hemoglobin levels during pregnancy: differential risks for preterm birth and small for gestational age. Obstet Gynecol 2000;96:741–8
   PubMed Web of Science ®Google Scholar
• Scholl TO, Hediger ML, Fischer RL, Shearer JW. Anaemia vs iron deficiency: increased risk of preterm delivery in a prospective study. Am J Clin Nutr 1992;55:985–8
   PubMed Web of Science ®Google Scholar
• Weintraub AY, Sergienko R, Harlev A, et al. An initial miscarriage is associated with adverse pregnancy outcomes in the following pregnancy. Am J Obstet Gynecol 2011;205:286.e1–5
   PubMed Web of Science ®Google Scholar