• 1
    World Health Organisation. The prevention of perinatal mortality and morbidity. WHO Technical Report Series, Report 457. Geneva, Switzerland, 1970.
  • 2
    Kramer MS, Demissie K, Yang H, Platt RW, Sauvé R, Liston R. The contribution of mild and moderate preterm birth to infant mortality. JAMA 2000;284: 843849.
  • 3
    Wood NS, Marlow N, Costeloe K, Gibson AT, Wilkinson AR. Neurologic and developmental disability after extremely preterm birth. N Engl J Med 2000;343: 378384.
  • 4
    Effer SB, Moutquin JM, Farine D, et al. Neonatal survival rates in 860 singleton live births at 24 and 25 weeks gestational age. A Canadian multicentre study. Br J Obstet Gynaecol 2002;109: 740745.
  • 5
    Moutquin JM, Milot Roy V, Irion O. Preterm prevention: effectiveness of current strategies. J Soc Obstet Gynaecol Can 1996;18: 571588.
  • 6
    Savitz DA, Blackmore CA, Thorp JM. Epidemiologic characteristics of preterm delivery: etiologic heterogeneity. Am J Obstet Gynecol 1991;164: 467471.
  • 7
    Mattison DR, Damus K, Fiore E, Petrini J, Alter C. Preterm delivery: a public health perspective. Paediat Perinat Epidemiol 2001;15(Suppl 2):716.
  • 8
    Morrison JC. Preterm birth: a puzzle worth solving. Obstet Gynecol 1990;76: 511.
  • 9
    Kramer MS. Determinants of low birth weight: methodological assessment and meta-analysis. Bull World Health Organ 1987;65: 663737.
  • 10
    Lettieri L, Vintzileos A, Rodis J, Albini M, Salafia C. Does idiopathic preterm labor resulting in preterm birth exist?. Am J Obstet Gynecol 1993;168: 14801485.
  • 11
    The Canadian Preterm Labour Investigators GroupTreatment of preterm labor with the beta-adrenergic agonist ritodrine. N Engl J Med 1992;327: 308312.
  • 12
    Papiernik E, Kaminski M. Multifactorial study of the risk of prematurity at 32 weeks of gestation: a study of the frequency of 30 predictive characteristics. J Perinat Med 1974;2: 3036.
  • 13
    Berkowitz GS, Papiernik E. Epidemiology of preterm birth. Epidemiol Rev 1993;15: 414443.
  • 14
    Berkowitz GS, Blackmore-Prince C, Lapinski RH, Savitz DA. Risk factors for preterm birth subtypes. Epidemiol 1998;9: 279285.
  • 15
    Moutquin JM. A retrospective assessment of Canadian preterm birth prevention efforts 1979–1999. Mat Child Health J 1999;3: 9397.
  • 16
    Bigirimana PC, Moutquin JM, Bernard PM. Risk factors of singleton spontaneous preterm labour: a prospective case–control study [abstract]. 52nd Annual Congress Society of Obstetricians and Gynecologists of Canada, Quebec, Canada.
  • 17
    Matthieu V, Moutquin JM. Analyse des facteurs de risques associés aux catégories d'accouchements prématurés à Sherbrooke, Québec, Canada. CHUS 11 août 2000.
  • 18
    Klebanoff MA, Shiono PH. Top down, bottom up and inside out: reflections on preterm birth. Paediatr Perinat Epidemiol 1995;9: 125129.
  • 19
    Hogue CJR, Hoffman S, Hatch MC. Stress and preterm delivery: a conceptual framework. Pediatr Perinat Epidemiol 2001;15(Suppl 2):3040.
  • 20
    Wadhawa PD, Culane JF, Rauth V, et al. Stress infection and preterm birth: a biobehavorial perspective. Pediatr Perinat Epidemiol 2001;15(Suppl 2):1729.