 [ Symptoms ] am i pregnant on the mirena i have had the mirena for about 3 years now and everything has been great i have still always had a regular period just lighter than normal within the last few months my periods seem to be only spotting also i have been really tired and sometimes become sick after brushing my teeth or from the smell of random things and have been getting really bad head aches in the past 2 weeks is it possible for me to be pregnant after it has worked so well for me or am i just now feeling side effects [ Disease ] you still have to get pap smears if you have been vaccinated nothing changes you still have to go to the gynecologist and have your pap smears yearly you could even still be tested for hpv because the vaccine only vaccinates for 4 of the viruses and there are over 100 types of this virus and probably over 30 that can affect the genital area