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Many perinatal factors increased the risk of developmental dysplasia of the hip

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To determine perinatal risk factors for developmental dysplasia of the hip (DDH).


Case control study.


A community based study in South Australia.


1127 children who were born from 1986–93 and had DDH were compared with 150 130 children who did not have DDH and were born during the same time period. Children with major abnormalities were excluded.

Assessment of risk factors

Data from state birth records were used to ascertain mother's age, race, country of birth, medical conditions, obstetric complications, parity, presentation and method …

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  • Source of funding: not stated.

  • For article reprint: Dr A Chan, Epidemiology Branch, South Australian Health Commission, Post Office Box 6, Rundle Mall, Adelaide, South Australia 5000, Australia. Fax +61 8 8226 6609.