TTC After stopping birth control

My fiancé and i have been trying to have a baby since last month when i had ended my period we’ve been sleeping with each other mostly everyday just waiting on me to get my period in 11 days , Now what’s weird about it is since we’ve been trying to have a baby i’ve noticed i’ve been having such bad heart burn at the weirdest times and that’s something that has never happened . HEART BURN is so rare for me so i’ve noticed that to be very very weird