title: Risk factors profile of shoulder dystocia in oman: a case control study.
abstract: OBJECTIVE
  This study aimed to assess the risk factor profile of shoulder dystocia and associated neonatal complications in Oman, a developing Arab country.
  
  
  METHODS
  A retrospective case-control study was conducted among 111 cases with dystocia and 111 controls, identified during 1994-2006 period in a tertiary care hospital in Oman. Controls were randomly selected among women who did not have dystocia, and were matched to cases on the day of delivery. Data related to potential risk factors, delivery, and obstetric complications were collected.
  
  
  RESULTS
  Dystocia was significantly associated with older maternal age, higher parity, larger BMI, diabetes, and previous record of dystocia. In addition, dystocia was associated more with vacuum and forceps deliveries. Routine traction (51%) was the most used manoeuvre. Among dystocia cases, 13% were associated with fetal complications of which Erb's Palsy was the most prevalent (79%).
  
  
  CONCLUSIONS
  Our finding of significant associations with risk factors lays out the ground to develop a predictability index for shoulder dystocia, which would help in making it preventable. Further p rospective studies are required to confirm the obtained results.
authors.affiliation: Department of Obstetrics and Gynaecology, Sultan Qaboos University, Muscat, Oman.
authors.forename: Maha M
authors.initials: MM
authors.lastname: Al-Khaduri
authors.affiliation: Department of Obstetrics and Gynaecology, Sultan Qaboos University, Muscat, Oman.
authors.forename: Rania Mohammed
authors.initials: RM
authors.lastname: Abudraz
authors.affiliation: Department of Family Medicine and Public Health, College of Medicine and Health Sciences, Sultan Qaboos University, P.O. Box 35, 123 Al-Khod, Sultanate of Oman.
authors.forename: Sayed G
authors.initials: SG
authors.lastname: Rizvi
authors.affiliation: Department of Family Medicine and Public Health, College of Medicine and Health Sciences, Sultan Qaboos University, P.O. Box 35, 123 Al-Khod, Sultanate of Oman.
authors.forename: Yahya M
authors.initials: YM
authors.lastname: Al-Farsi
keywords: Birth weight; Dystocia; Erb’s palsy; Maternal obesity; Shoulder