Expulsion of intrauterine devices was significantly more likely when the devices were inserted within the first 3 days after delivery compared with later insertions.
Use of intrauterine contraceptives for prevention of pregnancy was associated with lower rates of infection and pelvic pain after 6 months in a new study.
The findings raise the question of whether IUDs should be considered a factor like menstrual cycle timing or hormone replacement therapy, which can lead to variations in background enhancement.