I'm 17 years old and I have spotting right now, it's never happened before and my cycle ranges from 28 - 33 days. My period is due in a week. On the 22nd of September I had protected sex where he didn't ejaculate at all and on the 23rd I got my period which lasted for around 5 - 7 days. I have cramps and have a little blood. I'm really worried. I'm stressed at the moment right now because I've just started exams that go on for 4 weeks. I'm really scared and please help me.