Hello, i m a 42yr.old female. I had bld tests done for my symptoms that began 2yrs. Ago. Low complement c3 c4 levels along with very low ferritin were the abnormal findings accompaning my fatigue, low grade fever, joints of fingers, ankles, feet and knee pain with morning stiffness lasting more than 1hr. Ana neg., rheumatoid factor negative. Bone density identified severe osteopenia,