I started taking Ortho Tri Lo on Dec 30, the next day I threw up
my second active pill. I took the rest of my pills on time. I switched to Necon 1/35 after
only one cycle of Ortho Tri Lo. I did not take my Ortho Tri Lo inactive pills, instead I started my Necon 1/35 immediately. I have been taking the Necon 1/35 for about 11 days now. My breasts are very tender and I experienced some light brown spotting a few days ago. Should I be concerned about pregnancy?