Regardless of which type of IUD you choose, the IUD will have a long set of strings attached to it, explains Alyssa Dweck, MS ...

The IUD strings extend through the cervix into the vagina. Although IUD expulsion is typically unlikely, it may be more likely in some people. According to the American College of Obstetricians ...

When can I use an IUD? and so there's a string with the IUD that allows for bacteria to go up into your uterus and out the fallopian tubes and cause a possibility of pelvic inflammatory disease ...