Pregnancy Outcomes of Women Admitted to a Tertiary Care Centre with Short Cervix
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OBJECTIVE: Our aim was to characterize the management and outcome of women admitted to a tertiary high-risk obstetrics unit with a short cervix (≤25 mm), measured on transvaginal ultrasound (TVS), and to determine the latency period from diagnosis to delivery. METHODS: A retrospective chart review of women admitted to the High Risk Obstetrics Unit at Sunnybrook Health Sciences Centre between 2005-2011 with an ultrasound-identified short cervix was done. RESULTS: A total of 110 women admitted for a short cervix between 2005-2011 (N = 56 singletons; N = 54 twin gestations) met the inclusion criteria. The mean latency to delivery was 62.6 days; mean GA at delivery was 33.9 weeks. Following 7 and 14 days of admission, 5.5% and 11.8% of women had delivered, respectively. Preterm birth occurred in 70% of all women. Cervical length was a significant factor in predicting latency among singletons, whereas the length of stay in hospital for activity restriction was not. CONCLUSIONS: Although many women with a short cervix delivered preterm, only a small proportion delivered within 2 weeks of admission. Although it is not clear whether inpatient management improves the pregnancy outcome, these findings have implications for both patient care and health resources.
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