Here, an IUD is found imbedded into the placenta. It was more "attached," but came out as the placenta was being delivered. This is the third IUD I have seen born with the baby.
This is a Copper T, one generation removed from the IUDs we have today and has no hormones like the Mirena does. While it is controversial, deciding what to do if pregnancy occurs with an IUD inserted, many doctors suggest removing it. Apparently, the risk of miscarriage is about 50/50. There are risks to keeping it inside during the pregnancy, including serious infection.