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Updated: Dec 13, 2025
An Experimental Paradigm for the Prediction of Post-Operative Pain PPOP
Published on: January 27, 2010
Effect of self-administered vaginal dinoprostone on pain perception during copper intrauterine device insertion in
Ahmed Sa Ashour1, Hala Nabil1, Mohamed F Yosif1
1Department of Obstetrics and Gynecology, Faculty of Medicine, Cairo University, Cairo, Egypt.
Objective(S):
To assess efficacy and safety of self-administered 3 mg dinoprostone vaginally in reducing pain during copper intrauterine device (IUD) insertion in parous women.
Design:
Randomized, double-blinded, placebo-controlled trial.
Setting:
Family planning clinic in a tertiary referral hospital.
Patient(S):
Multiparous women who were attending a family planning clinic and requesting copper IUD insertion.
Interventions(S):
We randomly assigned 160 participants into two groups: The dinoprostone group (n = 80) received 3 mg dinoprostone vaginally, and the placebo group (n = 80) received placebo vaginally.
Main Outcome Measure(S):
Our primary outcome was mean pain scores during IUD insertion. Our secondary outcomes were mean pain scores during tenaculum application, during uterine sounding, and 15 minutes after insertion, ease of insertion, satisfaction score, need for additional analgesics, and side-effects.
Result(S):
Both groups showed no significant difference in anticipated pain score (P=.41), pain during tenaculum placement (P=.22), and pain during sound insertion (P=.07). The dinoprostone group had significantly lower pain scores during IUD insertion (34.8 ± 10.1 vs. 57.8 ± 11.8) and 15 minutes after insertion (20.6 ± 6.4 vs. 29.6 ± 6.2), easier IUD insertion (43.6 ± 21.9 vs. 64.7 ± 18.1), and higher satisfaction (83.9 ± 11.6 vs. 63.0 ± 9.1) compared with the placebo group. Fewer patients required additional analgesics in the dinoprostone group compared with the placebo group (P=.01). Side-effects were similar between the groups.
Conclusion(S):
Self-administered 3 mg dinoprostone vaginally before copper IUD insertion in parous women reduces pain scores during IUD insertion, making insertion easier and increasing women's satisfaction, with tolerable side-effects.
Clinical Trial Registration Number:
NCT04046302.
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