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1218 Incidence, Mortality, Morbidity and Costs of Late Preterm Births
  1. C Bulut1,
  2. T Gürsoy1,
  3. F Ovalı2
  1. 1Zeynep Kamil Maternity and Childrens’ Disease Training and Research State Hospital
  2. 2Zeynep Kamil Maternity and Childrens’ Disease Training and Research State Hospital, Istanbul, Turkey


Background and Aims Since 2005, babies born between 34 0/7 weeks and 36 6/7 weeks are defined as late preterm babies. We aimed to investigate the rates of mortality and morbidity of late preterm babies born at our hospital and compare them with babies born atterm.

Material and Methods A retrospective chart analysis was performed on babies born at our hospital between 2006 and 2008. Demographic features, complications and mortalities were recorded.

Results During 3 years, 41752 babies were delivered in our hospital. 6742 (16.2%) of them were late preterm and 30055 (71.9%) were term babies. The rate of hospitalizations (6.5 % vs 17.5%), mortality (3.6% vs. 5 %) and duration of hospitalizations (4 days vs 7 days mean) were significantly higher in the late preterm group. 66% of late preterm infants were transferred to other units for various reasons. When stratified according to gestational age, there were no significant differences in terms of mortality and morbidity among the subgroups. However, the duration of hospitalizations and the costs of babies born at 34 weeks were significantly higher than those of other babies.

Conclusion Late preterm babies have increased rates of mortality and morbidity, including higher costs, hence constitute an important risk group, which need to be followed up regularly. The mortality and morbidity rates did not appear to increase with decreasing gestational age in late preterm babies but the duration of hospitalization and the costs were higher in babies born at 34 weeks.

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