I've been on Ortho Tri Cyclen Lo for three years now. Usually when I get to the placebo pills I'll have a regular period not too heavy and not to thick that starts on the fourth day of the placebo pills. This month I'm on the 5th placebo pill and I'm having an unusually light period. It's like spotting, but it's red as normal period blood would be. Does this count as my period? Is this normal? It's never had such a light period. I did have sex on the 26 of April, but I took all of my pills on time this month do I have any reason to be concerned?