could I be pregnant, need help


okay I am need to this so please have patient with me I had a regular period on 10/14/17 and been having unprotected sex with doing the withdraw method so my next period was supposed to be on the 15th of November and I came on the 9th of November and only lasted for 2 days today is the 19th I also took a pregnancy test and it's negative but I'm having heavy sticking discharge down below I'm also having wet discharge on my breast and cramping.... could I be pregnant please next period won't be until 21 days from today I never had early periods for 2 days at that