I had a mirena iud inserted 8wks after daughter was born in 08, I have gained 15lbs almost weigh what i did when i gave birth to my daughter & i just have no desire to be sexual with my husband it is hurting our relationship. I don't know if its the iud, the weight gain or something else going on with me?? Every once in a while i will get the desire and if we don't act on it within in 20 minutes its gone and im no longer in the mood. I have never been this way before please help???