Pregnancy risk increases from 41 weeks of gestation

References

• Crowley P. Interventions for preventing or improving the outcome of delivery at or beyond term. (Cochrane Review). The Cochrane Library, Issue 1. John Wiley and Sons Ltd, ChichesterUK 2004
   Google Scholar
• Clausson B, Cnattingius S, Axelsson A. Outcomes of post-term births: the role of fetal growth restriction and malformations. Obstet Gynecol 1999; 94: 758–62
   PubMed Web of Science ®Google Scholar
• Divon MY, Haglund B, Nisell H, Otterblad PO, Westgren M. Fetal and neonatal mortality in the post-term pregnancy: the impact of gestational age and fetal growth restriction. Am J Obstet Gynecol 1998; 178: 726–30
   PubMed Web of Science ®Google Scholar
• Hilder L, Costeloe K, Thilaganathan B. Prolonged pregnancy: evaluation of gestation-specific risks of fetal and infant mortality. Br J Obstet Gynaecol 1998; 105: 169–73
   PubMedGoogle Scholar
• Ingemarsson I, Kallen K. Stillbirths and rate of neonatal deaths in 76 761 post-term pregnancies in Sweden,1982–1991: a register study. Acta Obstet Gynecol Scand 1997; 76: 658–62
   PubMed Web of Science ®Google Scholar
• Olesen AW, Westergaard JG, Olsen J. Perinatal and maternal complications related to post-term delivery: a national register-based study, 1978–1993. Obstet Gynecol 1978; 101: 1312–8
   Google Scholar
• Gardosi J. Routine ultrasound is the method of choice for dating pregnancy. Br J Obstet Gynaecol 1998; 105: 933–6
   PubMedGoogle Scholar
• Geirsson RT. Ultrasound instead of last menstrual period as the basis of gestational age assignment. Ultrasound Obstet Gynecol 1991; 1: 212–9
   PubMed Web of Science ®Google Scholar
• Falck Larsen J, Skajaa K, Westergaard JG. Graviditas prolon-gata. Obstetrik, J Falck Larsen, K Skajaa, JG Westergaard. Munksgaard, København 2001; 340–1
   Google Scholar
• Grant JM. Induction of labour confers benefits in prolonged pregnancy. Br J Obstet Gynaecol 1994; 101: 99–102
   PubMedGoogle Scholar
• Hannah ME, Hannah WJ, Hellmann J, Hewson S, Milner R, Willan A. Induction of labor as compared with serial antenatal monitoring in post-term pregnancy. N Engl J Med 1992; 326: 1587–92
   PubMed Web of Science ®Google Scholar
• Almstrøm H, Granstrøm L, Ekman G. Serial antenatal monitoring compared with labor induction in post-term pregnancies. Acta Obstet Gynecol Scand 1995; 74: 599–603
   PubMed Web of Science ®Google Scholar
• The National Institute of Child Health and Human Development Network of Maternal-Fetal Units. A clinical trial of induction of labor versus expectant management in post-term pregnancy. Am J Obstet Gynecol 1994; 170: 716–23
   PubMed Web of Science ®Google Scholar
• Fossen D, Døssland S, Løvset T, Nergård A. Overtidig svangerskap. Veileder i fødselshjelp, K Dalaker. Den norske legeforening, Oslo 1998; 103–5
   Google Scholar
• Campbell KM, Østbye T, Irgens L. Post-term birth: risk factors and outcomes in a 10-year cohort of Norwegian births. Obstet Gynecol 1997; 89: 543–8
   PubMed Web of Science ®Google Scholar
• Eik-Nes SH, Grøttum P, Jørgensen NP, Løkvik B. Normal range curves for BPD and MAD. Scand Medical a/s Drammen, Norway 1983
   Google Scholar
• WHO. The Tenth Revision of the International Statistical Classification of Diseases and Related Health Problems. WHO Chron., 1992.
   Google Scholar
• Marsal K, Persson PH, Larsen T, Lilja H, Selbing A, Sultan B. Intrauterine growth curves based on ultrasonically estimated fetal weights. Acta Paediatr 1996; 85: 843–8
   PubMed Web of Science ®Google Scholar
• Yudkin PL, Wood L, Redman CWG. Risk of unexplained stillbirth at different gestational ages. Lancet 1987; 1: 1192–4
   PubMed Web of Science ®Google Scholar
• Gardosi J, Mul T, Mongelli M, Fagan D. Analysis of birth-weight and gestational age in antepartum stillbirths. Br J Obstet Gynaecol 1998; 105: 524–30
   PubMedGoogle Scholar
• Tunon K, Eik-Nes SH, Grøttum P. Fetal outcome in pregnancies defined as post-term according to the last menstrual period estimate, but not according to the ultrasound estimate. Ultrasound Obstet Gynecol 1999; 14: 12–6
   PubMed Web of Science ®Google Scholar
• Høgberg U, Larsson N. Early dating by ultrasound and perinatal outcome – a cohort study. Acta Obstet Gynecol Scand 1997; 76: 907–12
   PubMed Web of Science ®Google Scholar
• Gardosi J, Vanner T, Francis A. Gestational age and induction of labour for prolonged pregnancy. Br J Obstet Gynaecol 1997; 104: 792–7
   PubMedGoogle Scholar
• Bakketeig L, Bergsjø P. Post-term pregnancy: magnitude of the problem. Effective Care in Pregnancy and Childbirth, I Chalmers, M Enkin, MJNC Keirse. Oxford University Press, Oxford, England 1989; 765–75
   Google Scholar
• Shea KM, Wilcox AJ, Little RE. Post-term delivery: a challenge for epidemiologic research. Epidemiology 1998; 9: 199–204
   PubMed Web of Science ®Google Scholar
• Olofsson P, Saldeen P. The prospects for vaginal delivery in gestations beyond 43weeks. Acta Obstet Gynecol Scand 1996; 75: 645–50
   PubMed Web of Science ®Google Scholar
• Caughey AB, Stotland NE, Escobar GJ. What is the best measure of maternal complications of term pregnancy. Ongoing pregnancies or pregnancies delivered?. Am J Obstet Gynecol 2003; 189: 1047–52
   PubMed Web of Science ®Google Scholar