Not sure what to think

Katie • 26 married for 4 years! 5/18/13
Cycle day 54! Last took an hpt feb 28 and bfn :( Wednesday started very slight pink after wiping but only twice and now this morning I wiped a little brown. Some slight cramping. Been gassy and bloated for about a week. Been quite moody too! What do you ladies think ??? 
DH and I bd a few times a week in hopes for a bfp