• 1
    World Health Organization. Physical status: the use and interpretation of anthropometry. Geneva. World Health Organ Tech Rep Ser 1995;854:12160.
  • 2
    Hay WW, Catz CS, Grave GD, Yaffe SJ. Workshop summary: fetal growth: its regulation and disorders. Pediatrics 1997;99:58591.
  • 3
    Gardosi J, Chang A, Kalyan B, Sahota D, Symonds E. Customised antenatal growth charts. Lancet 1992;339:2837.
  • 4
    Gardosi J, Mongelli M, Wilcox M, Chang A. An adjustable fetal weight standard. Ultrasound Obstet Gynecol 1995;6:16874.
  • 5
    Clausson B, Gardosi J, Francis A, Cnattingius S. Perinatal outcome in SGA births defined by customised versus population-based birthweight standards. Br J Obstet Gynaecol 2001;108:8304.
  • 6
    McCowan L, Harding J, Stewrad A. Customised birthweight centiles predict SGA pregnancies with perinatal mortality. Br J Obstet Gynaecol 2005;112:102633.
  • 7
    Ego A, Subtil D, Grange G, Thiebaugeorges O, Senat M, Vayssiere C, et al. Customized versus population-based birth weight standards for identifying growth restricted infants: a French multicenter study. Am J Obstet Gynecol 2006;194:10429.
  • 8
    Royal College of Obstetricians and Gynaecologists. The Investigation and Management of the Small-for-Gestational-age Fetus. Guideline No. 31. London: RCOG, 2002.
  • 9
    Steer PJ. Editor’s Choice. Br J Obstet Gynaecol 2007;114:iii.
  • 10
    Ego A, Subtil D, Grange G, Thiebauaugeorges O, Senat MV, Vayssiere C, et al. Should parity be included in customised fetal weight standards for identifying small-for-gestational age babies? Results from a French multicentre study. Br J Obstet Gynaecol 2008;115:115664.
  • 11
    Kramer MS. Determinants of low birth weight: methodological assessment and meta-analysis. Bull World Health Organ 1987;65:663737.
  • 12
    Billewicz WZ, Thomson AM. Birthweights in consecutive pregnancies. J Obstet Gynaecol Br Common 1973;80:4918.
  • 13
    Wilcox MA, Chang AMZ, Johnson IR. The effects of parity on birthweight using successive pregnancies. Acta Obstet Gynecol Scand 1996;75:45963.
  • 14
    Niswander K, Jackson EC. Physical characteristics of the gravida and their association with birth weight and perinatal death. Am J Obstet Gynecol 1974;119:30613.
  • 15
    Kramer MS, Olivier M, McLean FH, Willis DM, Usher RH. Impact of intrauterine growth retardation and body proportionality on fetal and neonatal outcome. Pediatrics 1990;85:70713.
  • 16
    Ananth CV, Platt RW. Reexamining the effects of gestational age, fetal growth, and maternal smoking on neonatal mortality. BMC Pregnancy Childbirth 2004;4:22.
  • 17
    Joseph KS, Fahey J, Platt RW, Liston RM, Lee SK, Sauve R, et al. An outcome-based approach for the creation of fetal growth standards: do singletons and twins need separate standards? Am J Epidemiol 2009;169:61624.
  • 18
    Joseph KS, Liu S, Demissie K, Wen SW, Platt RW, Ananth CV, et al. For the Fetal and Infant Health Study Group of the Canadian Perinatal Surveillance System. A parsimonious explanation for intersecting perinatal mortality curves: understanding the effect of plurality and of parity. BMC Pregnancy Childbirth 2003;3:3.
  • 19
    Cnattingius S, Haglund B, Kramer MS. Differences in late fetal death rates in association with determinants of small for gestational age fetuses: population based cohort study. BMJ 1998;316:14837.
  • 20
    Pearl J. Causality: Models, Reasoning and Inference. Cambridge University Press: Cambridge, 2000.
  • 21
    Susser M. Causal Thinking in the Health Sciences: Concepts and Strategies in Epidemiology. Oxford University Press: New York, 1973.
  • 22
    Szklo M, Nieto FJ. Epidemiology: Beyond the Basics. Aspen Publishers: Gaithersburg, MD, 2000.
  • 23
    Cnattingius S, Ericson A, Gunnarskog J, Kallen B. A quality study of a medical birth registry. Scand J Soc Med 1990;118:1438.
  • 24
    The Swedish Council on Technological Assessment in Health Care. Report no. 139 [in Swedish]. Stockholm, Sweden: The Swedish Council on Technological Assessment in Health Care, 1998:48.
  • 25
    Zhang X, Platt R, Cnattingius S, Joseph KS, Kramer M. The use of customized vs population-based birth weight standards in predicting perinatal mortality. Br J Obstet Gynaecol 2007;114:4747.
  • 26
    Hutcheon J, Zhang X, Cnattingius S, Kramer M, Platt R. Customised birthweight percentiles: does adjusting for maternal characteristics matter? Br J Obstet Gynaecol 2008;115:1397404.
  • 27
    Hadlock FP, Harrist RB, Martinez-Poyer J. In-utero analysis of fetal growth: a sonographic weight standard. Radiology 1991;181:12933.
  • 28
    Joseph KS, Demissie K, Platt RW, Ananth CV, McCarthy BJ, Kramer MS. A parsimonious explanation for intersecting perinatal mortality curves: understanding the effects of race and of maternal smoking. BMC Pregnancy Childbirth 2004;4:7.
  • 29
    Robins JM, Greenland S. Identifiability and exchangeability for direct and indirect effects. Epidemiology 1992;3:14355.
  • 30
    Kaufman JS, MacLehose RF, Kaufman S. A further critique of the analytic strategy of adjusting for covariates to identify biologic mediation. Epidemiol Perspect Innov 2004;1:4.
  • 31
    Robins JM, Hernan MA, Brumback B. Marginal structural models and causal inference in epidemiology. Epidemiology 2000;11:55060.
  • 32
    Vander Weele TJ. Marginal structural modes for the estimation of direct and indirect effects. Epidemiology 2009;20:1826.
  • 33
    Cole SR, Hernan MA. Constructing inverse probability weights for marginal structural models. Am J Epidemiol 2008;168:65664.
  • 34
    Kramer MS, McLean FH, Eason EL, Usher RH. Maternal nutrition and spontaneous preterm birth. Am J Epidemiol 1992;136:57483.
  • 35
    Secher N, Hansen P, Thomsen B, Keiding N. Growth retardation in preterm infants. Br J Obstet Gynaecol 1987;94:11520.
  • 36
    Cooke RWI. Conventional birth weight standards obscure fetal growth restriction in preterm infants. Arch Dis Child Fetal Neonatal Ed 2007;92:18992.
  • 37
    Yudkin PL, Wood L, Redman CWG. Risk of unexplained still birth at different gestational ages. Lancet 1987;1:11924.
  • 38
    Joseph KS. Incidence-based measures of birth, growth restriction and death can free perinatal epidemiology from erroneous concepts of risk. J Clin Epidemiol 2004;57:88997.
  • 39
    Kunst AE, Bos V, Mackenback JP. Guidelines in Monitoring Socio-economic Inequalities in Health in European Countries. Rotterdam: Erasmus University, 2001.
  • 40
    Arntzen A, Mortensen L, Schnor O, Cnattingius S, Gissler M, Andersen AMN. Neonatal and postneonatal mortality by maternal education – a population-based study of trends in the Nordic countries, 1981–2000. Eur J Public Health 2008;18:24551.