Suggest Remedy For Sore Nipples With Cramps And Lower Back Pain

I have pcos and also have an iud inserted copper one, I am 19 not overweight or any changes of my life style, my last period was April 6-11 and it s been 38 days since I have had a period.. My period are regular I get them every month! I have sore nipples and also cramps and lower back pain, I have taken a pregnancy test yesterday night and this morning and both negative. My body tempeture has been off one min I feel cold and next hot or both, my tummy feels funny I don t know how to explain how it feels like it hurts then it goes away. I have felt tired even of I sleep early .. I am going to see a doctor tomorrow but would like a point of view of what it is now ..