Cramps and backache

Patient: Dear doctor, i got married in 2006 when i was 22years, now i have three babies when i got first child i was good after second baby my left breast size become reduced after five to six month of breast feeding, my gynecologist said me it become normal after i got third baby now in jan 2011 i got third baby but my breast size have no change, above all a feel cramps and severe backache 10 days before my menses starts i feel anemic, i takes iron,folic acid, calcium, vitamin d3,and vitamin b12 pills but i have not felling well, kindly help me out i am a poor lady from south east Asia and nothing to afford costly treatmentregardstashi

Doctor: