So, about a week ago my SO and I had sex a lot more than we usually do. I mean, about 2 or three times a day for like three or four days straight. I started spotting on Thursday and I haven't stopped. I'm on the pill and take my pills regularly. He always pulls out but we don't use a condom. I started taking my placebo (sugar) pills on Sunday. Is this normal? I haven't started heavily bleeding yet... But today I did see some clots in my underwear. So, could the sex have been the reason why I'm bleeding?