Bibliographical noteFunding Information:
Components of this project were supported by the Society of Family Planning Research Fund, the William and Flora Hewlett Foundation, and the Susan Thompson Buffett Foundation. Bayer Women's Healthcare contributed the levonorgestrel-releasing intrauterine system products for the HER Salt Lake Contraceptive Initiative. Use of REDCap provided by Eunice Kennedy Shriver National Institute of Child Health and Human Development grant (8UL1TR000105 (formerly UL1RR025764) NCATS NIH). Team members receive support from the Eunice Kennedy Shriver National Institute of Child Health and Human Development and the Office of Research on Women's Health of the National Institutes of Health, JNS via Award Number K12HD085852 and DKT via K24HD087436 and 1R01HD083340.