My last period was sept. 5th, I had been irregular since this summer but never more than 2 weeks late. So now it's been over 2 months and near the end of Oct. i had brown discharge for 10 days. I've taken 3 hpt's but all were negative, I've had other pregnancy symptoms but the tests keep coming back negative! Are my periods being THIS irregular and is the brown discharge considered a period in anyway?