Bleeding in between and still painful

[emj2014]

I had a laparoscopy done in April and they found mild endo and removed it. I felt like the op worked and I also was told to take my microgynon pill continually in order to keep the endo at bay. I had a break through period last week and I was told to allow my body to come on my period. The pain during intercourse was better after the op but after a few times the pain did come back. I also have had lower abdominal pain for over a week now and brown discharge even though I am taking my pill and allowed myself a break two weeks ago. Has anybody had this experience and also does anybody think that these are signs that the op did not work. ????