To compare the effect of vaginal dinoprostone versus vaginal misoprostol administered before the copper intrauterine device(IUD) insertion in reducing IUD insertion pain and the difficulty in inserting the IUD in women delivered only by cesarean section.

Long-acting reversible contraception methods are highly effective methods for reduction of the unplanned pregnancy rate worldwide. The intrauterine device is a single procedure that provides reliable, effective and long term contraception for many women. However, the insertion procedure can be associated with a troublesome degree of pain that prevent some women from choosing its use. Different interventions have been described to decrease pain perception during intrauterine device insertion with no agreement on an effective one.

Inclusion Criteria:

• women delivered only by elective cesarean section and not received analgesics in the last 24 hours

Exclusion Criteria:

• contraindications to dinoprostone or misoprostol or IUD insertion and allergy to study drugs.