Abstract
In a previous study conducted in the UK we demonstrated that only 8% of women with threatened preterm labor deliver within 7 days. Furthermore, delivery within 7 days occurred in less than 1% of women presenting with a sonographically measured cervical length > or = 15 mm, compared to 37% in those with cervical length < 15 mm. In this study we investigate the potential value of cervical length in the prediction of outcome of threatened preterm labor in a South African population. We examined 63 women with singleton pregnancies presenting with regular and painful uterine contractions at 24-36 (mean, 31) weeks of gestation. Women in active labor, defined by the presence of cervical dilatation > or = 3 cm, and those with ruptured membranes were excluded. On admission to the hospital a transvaginal scan was performed to measure the cervical length. The subsequent management was determined by the attending obstetrician. The primary outcome was delivery within 7 days of presentation. Delivery within 7 days of presentation occurred in 20/63 (32%) pregnancies, including 20 of the 30 (67%) cases with cervical length < 15 mm and none of the 33 cases with cervical length > or = 15 mm. Logistic regression analysis demonstrated that the onl...Continue Reading
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