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  • Title: Interactions between intrauterine contraceptive device use and breast-feeding status at time of intrauterine contraceptive device insertion: analysis of TCu-380A acceptors in developing countries.
    Author: Farr G, Rivera R.
    Journal: Am J Obstet Gynecol; 1992 Jul; 167(1):144-51. PubMed ID: 1442918.
    Abstract:
    OBJECTIVE: This paper is a reassessment of earlier findings from a preliminary analysis of data from a multicenter international trial regimen on breast-feeding and non-breast-feeding women in which events related to insertion, expulsion, and removal of the TCu-380A intrauterine contraceptive device (ParaGard 380) were investigated. STUDY DESIGN: Performance of the TCu-380A through 12 months after insertion was compared with life-table rate analysis, chi 2, Fisher exact test, or Student's t test. Variables were events reported during intrauterine contraceptive device insertion and events throughout the 12 months of study participation by breast-feeding status. RESULTS: Breast-feeding among intrauterine contraceptive device users was associated with fewer insertion-related complaints and lower removal rates for bleeding and pain. No uterine perforations were reported throughout the study. CONCLUSION: Differences in the performance of the TCu-380A intrauterine contraceptive device suggest physiologic effects associated with lactational amenorrhea. The TCu-380A intrauterine contraceptive device is a viable option for women breast-feeding at the time of intrauterine contraceptive device insertion. This paper is a reassessment of earlier findings from a preliminary analysis of data from a multicenter international trial regimen on breastfeeding and nonbreastfeeding women in which events related to insertion, expulsion, and removal of the TCu-380A IUD (ParaGard 380) were investigated. The performance of this IUD through 12 months postinsertion was compared with the life-table rate analysis, Chi square, Fisher exact test, or Student's test. Variables were events reported during IUD insertion and throughout the 12 months of study participation was associated with fewer insertion-related complaints and lower removal rates for bleeding and pain. Uterine perforations were perforations were reported throughout the study. Differences in the performance of the TCu-380A IUD suggest that there are physiologic effects associated with lactational amenorrhea. This IUD is a viable option of women who are breastfeeding at the time of IUD insertion.
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