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박규희 ( Kyu Hee Park ),김동영 ( Dong Yeung Kim ),차문영 ( Mun Yeung Cha ),서정식 ( Jeong Sik Seo ),유태환 ( Tae Hwan Yoo ),조용균 ( Yong Kyoon Cho ),최훈 ( Hoon Choi ),김복린 ( Bok Rin Kim ),이홍균 ( Hong Kyoon Lee ) 대한산부인과학회 1997 Obstetrics & Gynecology Science Vol.40 No.12
Objective: The purpose of this study was to determine the risk factors of the neonatal clavicular fracture. Methods: Between January 1993 and December 1996, forty seven cases of neonatal clavicular fractures were studied and analyzed retrospectively to determine the risk factors. Newborns with radiologically proved fractured clavicles were compared with a control group of infants delivered immediately before & after the study patients. Maternal, labor, delivery & newborn factors were analyzed statistically. Results: The incidence of neonatal clavicular fracture was 0.398%(47/11806) in singleton full-term vaginal deliveries. The statistically significant risk factors were shoulder dystocia(p = 0.001), heavier birth weight(p = 0.001), and macrosomia(p = 0.026). No infant with clavicular fracture had an abnormal finding by neurologic examination. Conclusion: Neonatal clavicular fractures occur infrequently during normal vaginal delivery. Shoulder dystocia, heavier birth weight, and macrosomia are associated risk factors, but they are often unpredictable and unavoidable complication.