I am on Microgynon 30 and I started my pack a week later than I was supposed to. I started on the 31st of July. I then had unprotected sex on the 6th and my period came one day later than it usually does (expected on the 24th, arrived on the evening of the 25th). It s lighter and blood doesn t appear on my pad. It only appears when I go to the bathroom or wipe. The blood is bright red with clots and there s quite a bit of it. On the 26th, the first morning pee had very little blood but the flow got heavier as the day went on. Today, the flow got lighter again. This is unusual for me. I have no pains either, which is normal. Is this a period or am I pregnant or is there something else?