Gender and birth trauma in full-term infants

Ido Linder, Nir Melamed, Anna Kogan, Paul Merlob, Yariv Yogev, Marek Glezerman

Research output: Contribution to journalArticlepeer-review


Objective: To investigate the association between gender and birth trauma in full-term infants. Methods: A retrospective, cohort, case-control study was conducted. All singleton full-term neonates born in 19862009 and diagnosed with birth trauma (ICD9-CM codes 767.0767.9) were identified from the hospital's computerized birth-discharge records. The study group was matched in a 2:1 ration with neonates delivered immediately after each index case of neonatal trauma. Results: Of the 118, 280 singleton full-term infants delivered during the study period, 2876 (24/1000) experienced birth trauma. The most frequent birth traumas were scalp injury (63.9%) and clavicle fracture (32.1%). The overall risk of birth trauma was unrelated to fetal gender. However, fetal male gender was a significant and independent risk factor for scalp injury (OR1.31, 95%CI 1.151.49), and female fetal gender was a significant and independent risk factor for clavicle fracture (OR1.27, 95%CI 1.091.49). The significance of these associations persisted even after adjustment for potential confounders including mode of delivery, gestational age, neonatal length, timing of delivery, head circumference, parity, and birth weight. Conclusion: Fetal gender appears to be a predisposing risk factor for specific types of birth trauma. Further studies are needed to investigate the reasons for this observation.

Original languageEnglish
Pages (from-to)1603-1605
Number of pages3
JournalJournal of Maternal-Fetal and Neonatal Medicine
Issue number9
StatePublished - Sep 2012


  • Fetal trauma
  • Gender
  • Labor and delivery


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