The epidemiology of preterm labour

  title={The epidemiology of preterm labour},
  author={P. Steer},
  journal={BJOG: An International Journal of Obstetrics \& Gynaecology},
  • P. Steer
  • Published 2005
  • Medicine
  • BJOG: An International Journal of Obstetrics & Gynaecology
Although the definition of preterm birth is birth before 37 completed weeks, the major transition in terms of needing special care occurs between 34 and 37 weeks. The Homo sapiens neonate is born much more immature than other anthropoid species, perhaps because earlier birth has evolved to avoid the large head of the human fetus becoming impacted in the small pelvis of the mother, who has become adapted to a bipedal gait. The main burden of preterm birth exists in developing countries. There… Expand
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