BACKGROUND: Women who undergo a cesarean section (CS) are in a unique position to receive the intrauterine contraceptive device (IUD). They may also want to use the IUD as a long-acting reversible contraceptive method provided the IUD is safe and effective in the presence of a CS scar. SEARCH STRATEGY: We researched and reviewed the MEDLINE POPLINE Google Scholar and ClinicalTrials.gov databases from January 1968 to June 2015. SELECTION CRITERIA: Eligible studies reported event rates or practical problems relating to IUD usage in post-placental or interval insertion (>90 days) after CS. Studies with >/=20 subjects were included. DATA COLLECTION AND ANALYSIS: Analysis of eligible data collected from the search followed the PRISMA guidelines. MAIN RESULTS: Twelve eligible studies of post-placental IUD insertion after CS included four randomized controlled trials of post-placental versus delayed insertion. Women randomized to delayed insertion were less likely to receive a device. Six studies examined the problem of missing IUD threads at follow-up with only 30%-60% presence of strings observed. CONCLUSION: The IUD is a long-acting reversible contraceptive method that is suitable for use in all women undergoing CS. The problems of device expulsion missing threads at follow-up and the tendency of increased puerperal bleeding need to be solved. Solutions are proposed.
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