Based on the information provided:
**Title:** Cervical pessary is not superior to vaginal progesterone in individuals with a singleton pregnancy and a short cervix: a randomized controlled trial
**Summary:**
This randomized controlled trial compared the effectiveness of a cervical pessary versus vaginal progesterone for preventing preterm birth in women with a singleton pregnancy and a sonographically diagnosed short cervix. The study found that the use of a cervical pessary was not superior to vaginal progesterone in reducing the risk of preterm birth or improving perinatal outcomes.
### Key Points
- **Population:** Women with singleton pregnancies and a short cervix.
- **Intervention:** Cervical pessary.
- **Comparison:** Vaginal progesterone.
- **Outcome:** Preterm birth rates and perinatal outcomes.
- **Conclusion:** Cervical pessary did **not** show superior efficacy compared to vaginal progesterone.
### Implications
For clinicians caring for pregnant individuals with a short cervix, vaginal progesterone remains a well-supported therapeutic choice. The addition or substitution of a cervical pessary does not confer additional benefit in this population, according to this RCT.
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