and requires less attention than a toddler. don't use mirena or kyleena if you have a pelvic infection, get infections easily, or have certain cancers. less than 1% of users get a serious infection called pid. if you have pelvic or stomach pain, or if your iud comes out, talk to your doctor. your iud may attach to or go through the uterus. pregnancy with mirena or kyleena is uncommon, but can be life threatening, and may cause loss of pregnancy or fertility. ovarian cysts may occur but usually disappear. bleeding and spotting may increase in the first three to six months and remain irregular. periods over time may become shorter, lighter, or may stop. mirena and kyleena do not protect against hiv or stds. ask your doctor about mirena... and kyleena.