About 2 weeks ago I took a plan b about 2-3 hours after sex. I am currently taking Lutera birth control. I was going on vacation in a few weeks and with the timing of my birth control I was going to be on my period while on vacation. To avoid having my period, I took my birth control back to back with no placebo pills in between. I have been on this pill for around a year and I have done this before with no problems. A few days ago i started to have cramping and light spotting of dark colored blood. I'm not sure what this means and wanted to see if anyone else has had this experience. Thanks.