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  • Title: Cervical pessary plus vaginal progesterone versus long-term tocolysis for the prevention of preterm birth: An observational retrospective study.
    Author: Tajima M, Yanazume S, Orita Y, Tazaki Y, Shinya M, Kobayashi H.
    Journal: Int J Gynaecol Obstet; 2020 Aug; 150(2):206-212. PubMed ID: 32282943.
    Abstract:
    OBJECTIVE: To compare cervical pessaries plus vaginal progesterone versus long-term tocolysis for preventing preterm birth for women with a short cervix. METHODS: Retrospective evaluation of women with singleton pregnancy who received cervical pessaries plus vaginal progesterone (combined group) or ritodrine hydrochloride (tocolysis group) for short cervix (≤25 mm at 20-24 weeks, or ≤20 mm at 25-34 weeks) at a general hospital in Kagoshima, Japan, 2015-2019. The primary outcome was rate of preterm birth (<36 weeks); secondary outcomes were maternal hospital admittance and treatment complications. RESULTS: Data were evaluated from 95 women (combined group, n=43; tocolysis group, n=52). There was no significant difference in cervical length or gestational age at intervention between the groups. Overall, 3/43 (7.0%) women delivered before 36 weeks in the combined group versus 16/52 (30.8%) in the tocolysis group (relative risk, 0.56; 95% confidence interval, 0.41-0.76; P=0.004). Median maternal admittance was shorter in the combined group (6.6 vs 41.0 days, P<0.001). Although 36/43 (83.7%) women in the combined group reported increased vaginal discharge, no major complications occurred. CONCLUSION: A combination of pessaries and vaginal progesterone reduced the rate of preterm birth (<36 weeks) for women with short cervix as compared with long-term tocolysis.
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