I know I am not out yet

Graciela • Mom of a beautiful 3 year old girl and beautiful 19 month old son and now pregnant with baby #3!
My period should get here on Monday according to glow. And still getting BFN. I know I shouldn't be discourage but I am. My boobs have been tender and so have my nipples. I haven't felt like this since I found out I was pregnant with my son back in June of 2014. Feeling little bit sad