Abstract

AMNIOTIC CAVITY IN PRETERM LABOR WITH INTACT MEMBRANES JAE HONG NOH, KYO HOON PARK, JOON-SEOK HONG, YOUNG HOON SUH, Seoul National University, Department of Obstetrics and Gynecology, Seongnam-si, South Korea, Seoul National University, Seongnam-si, South Korea OBJECTIVE: The purpose of this study was to determine whether there was a relationshiop between cervical length and the presence of microbial invasion of the amniotic cavity (MIAC) in preterm labor with intact membranes. STUDY DESIGN: Ultrasonography and amniocentesis were perfomed in 67 patients admitted with preterm labor (21-35 weeks). Amniotic fluid(AF) was cultured for aerobic and anaerobic bacteria, as well as Ureaplasma urealyticum and Mycoplasmas. RESULTS: The prevalence of MIAC was 10.4% (7/67). ROC curve analysis showed a significant relationship between the length of the cervical length less than 20 mm and the frequency of MIAC, preterm delivery, admission to delivery interval within 7 days. But, logistic regression analysis show the cervical length is not significant in prediction of MIAC. CONCLUSION: Cervical length is significant in prediction of preterm delivery and interval from admission to delivery within 7 days, but not significant in predition of MIAC in preterm labor with intact membranes. SMFM Abstracts S67

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