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What is it
A small medication-releasing insert placed in the vagina, near the cervix. It can be removed if contractions become too strong.
How your body works here
Dinoprostone is prostaglandin E2, the same family the body uses locally in the cervix. The vaginal insert releases it slowly over hours so cervical ripening happens gradually and can be stopped by removing the insert if the uterus becomes overstimulated.
Benefits (B)
- Can be removed quickly if needed.Review sources ↓
- Steady, controlled medication release.Review sources ↓
Risks (R)
- Uterine tachysystole and possible fetal heart rate changes.Review sources ↓
- Nausea, fever.Review sources ↓
- Generally avoided with prior cesarean.Review sources ↓
Alternatives (A)
- Misoprostol.Review sources ↓
- Mechanical methods.Review sources ↓
- Pitocin alone if cervix is favorable.Review sources ↓
Evidence summary
Effective for cervical ripening; outcomes broadly similar to misoprostol with differing side effects and the advantage of removability.
Sources
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Questions to ask your provider
- Why this medication over alternatives?
- How is hyperstimulation managed if it occurs?
Intuition & Nothing/Wait (the I and N in BRAIN)
What is your gut telling you? What happens if you do nothing or wait?
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