November 13th, 2013

IUD pregnancy

So I am 24 years old I got the cooper iud January of 2011. I been fine, but due to the iud I notice my periods were heavier and sometimes spot between my periods. So this month I notice I started spotting 3 days before my actually period. Then a few more days after my period. What bothers me the most is during my period it was really light compared to my other cycles. Usually my first two to three days are super heavy. Also I have notice I'm extremely tired takes a lot of effort to get out of bed in the morning. Also I been having wavex of nausea. I already have two kids so I'm trying ro figure out if I'm pregnant. Today I took a first response pregnancy test and it came up negative. Does anyone have any insight on the matter.
Thanks in advance