Suggest Remedy For Pain During Sex Due To IUD

i am on the coil and have been for about 6 month, when having sex with my parter he can feel it and says it hurts him, and when we try new way it some time hurts me and does not feel nice, i all so get sharp pains in my lower body when doing jobs around the house, my boobs are really sore sometime they hurt that bad that i cant touch them, and i all so have milk going from them, i have had a little girl 2 year ago