Hi. I am on my third month of birth control pills. I was prescribed Lo Estrin Fe and have been taking them since February. I started the pack right when I got them, after my cycle. That month I had a period, however it was in the third week of the pills. My doctor suggested that was normal, and that my next period should come around the end of the pack- near the white and brown pills. This month, it did not. I had very little cramping, and a tad bit of blood, but nothing like I am used to. Also, I had a gelatinous brown substance that I saw when using the restroom. Should I be worried?