References
- Astolfi P, Zonta LA. 1999. Risks of pre-term delivery and association with maternal age, birth order, and fetal gender. Human Reproduction 14:2891–2894.
- Beck S, Wojdyla D, Say L, Betran AP, Merialdi M, Requejo JH . 2010. The worldwide incidence of pre-term birth: a systematic review of maternal mortality and morbidity. Bulletin of the World Health Organization 88:31–38.
- Beydoun H, Itani M, Tamim H, Aaraj A, Khogali M, Yunis K. 2004. Impact of maternal age on pre-term delivery and low birthweight: a hospital-based collaborative study of nulliparous Lebanese women in Greater Beirut. Journal of Perinatology 24:228–235.
- da Silva AA, Simoes VM, Barbieri MA, Bettiol H, Lamy-Filho F, Coimbra LC . 2003. Young maternal age and pre-term birth. Paediatric and Perinatal Epidemiology 17:332–339.
- Ekwo EE, Moawad A. 2000. Maternal age and pre-term births in a black population. Paediatric and Perinatal Epidemiology 14:145–151.
- Fraser AM, Brockert JE, Ward RH. 1995. Association of young maternal age with adverse reproductive outcomes. New England Journal of Medicine 332:1113–1117.
- Hediger ML, Scholl TO, Schall JI, Krueger PM. 1997. Young maternal age and pre-term labor. Annals of Epidemiology 7:400–406.
- McIntyre SH, Newburn-Cook CV, O’Brien B, Demianczuk NN. 2009. Effect of older maternal age on the risk of spontaneous pre-term labor: a population-based study. Health Care for Women International 30:670–689.
- Mousiolis A, Baroutis G, Papantoniou N, Costalos C, Antsaklis A. 2012. Maternal age demographic trends in Greece from 1980 to 2008. Journal of Reproductive Medicine (in press).
- Moutquin JM. 2003. Classification and heterogeneity of pre-term birth. British Journal of Obstetrics and Gynaecology 110(Suppl 20):30–33.
- Newburn-Cook CV, Onyskiw JE. 2005. Is older maternal age a risk factor for pre-term birth and fetal growth restriction? A systematic review. Health Care for Women International 26:852–875.
- Olsen P, Laara E, Rantakallio P, Jarvelin MR, Sarpola A, Hartikainen AL. 1995. Epidemiology of pre-term delivery in two birth cohorts with an interval of 20 years. American Journal of Epidemiology 142:1184–1193.
- Schempf AH, Branum AM, Lukacs SL, Schoendorf KC. 2007. Maternal age and parity-associated risks of pre-term birth: differences by race/ethnicity. Paediatric and Perinatal Epidemiology 21:34–43.
- Scholl TO, Miller LK, Shearer J, Cofsky MC, Salmon RW, Vasilenko P 3rd . 1988. Influence of young maternal age and parity on term and pre-term low birthweight. American Journal of Perinatology 5:101–104.
- Stewart CP, Katz J, Khatry SK, LeClerq SC, Shrestha SR, West KP Jr . 2007. Pre-term delivery but not intrauterine growth retardation is associated with young maternal age among primiparae in rural Nepal. Maternal and Child Nutrition 3:174–185.