What Are The Side Effects Of Mirena IUD?

Hi, may I answer your health queries right now ? Please type your query here...I'm 23 years old iv had the same sexual partner for nearly 5years I have a 3 year old daughter and I have the mirena coil fitted iv just got a really bad discharge and a disgusting smell get some pains the smell is worser when I'm on my period or after sex can u help