Suggest Treatment For Endometriosis

hi, i m 27 years old, height 5feet 4 inchs, weight 62 Kgs suffering from endometriosis, i had laproscopy treatment last year with lupride injection for 1st three months then for next 3 months i took birth control pills likewise my periods were stopped for six months. My periods again started from the month of nov.2010 n again i hav started feeling the same pain from the last 4 - 5 months. i wants to know what i should do......