J Med Assoc Thai 1999; 82 (8):749

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The Epidemiology of Cervical Incompetence in Ramathibodi Hospital Be~een 1982-1997
Chanrachakul B Mail, Herabutya Y

Cervical incompetence is an important cause of midtrimester abortion. However, the etiology
and diagnostic method have still not been established. This retrospective study was aimed to
review epidemiology, management and outcome of cervical incompetence in Ramathibodi
Hospital, Mahidol University, Thailand, from 1982 to 1997. Fifty seven patients were diagnosed as
having cervical incompetence during this period. Fifty patients had elective cerclage. Seven patients
had emergency cerclage. Success rate in this study was 94.6 per cent. Only 7 per cent of patients had
complications such as chorioamnionitis and suture displacement. There was no other serious complication
after treatment. Nowadays, there is still no established method to diagnose cervical
incompetence in pregnancy. Treatment is usually based on past obstetric history. Cervical cerclage is
an established treatment for this problem. Emergency cerclage is still controversial. The prevention
is to avoid any procedure which can cause cervical trauma leading to cervical incompetence.
Key word : Epidemiology, Cervical Incompetence

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