Factors associated with missing strings and expulsion after postplacental insertion of copper T380A intrauterine devices.

Objective: To identify clinical and demographic factors associated with missing strings and expulsion after postplacental insertion of copper T380A intrauterine devices (TCu380A IUD).

Methods: This is a secondary analysis of an implementation study. We followed participants who had a postplacental TCu380A IUD insertion, at two postpartum visits: 45-90 days (visit 1) and 6-9 months (visit 2).