My last to last period was on July 29th and after that me and BF were together for 2 days during Aug 16th and 17th .I got my last PD on Aug 23rd.After that around 3rd and 4th of sep i saw some brown discharge coming out.i thought may be it is during ovulation time and all..Now when i am supposed to get my actual period i m seeing some brown discharge..Am i pregnent?