I am in a realtionship of 6 years. And we have had sex on and off. He cums inside almost every time. We wouldn't mind a child but I am just wondering. I am on birth control but I know it's not 100%. We have unprotected sex a lot. I have had brown discharge last week on Monday. I am souppoSe to start my period today but nothing, I have really bad cramps like im going to start my period but nothing. My boobs have been sore and I've gained 2 pounds. Any ideas ?