I want to be pregnant. Can someone tell me how likely it is by my symtoms?

My husband and I have been trying for a year in a half due to vasectomy reversal. My period is like cllock work and is supposed to arrive Sunday. I have had heartburn for two days now, my husband and I have noticed an increase in size of my . I worked out for 18 out of 24 days trying to lose weight and instead managed to gain 2lbs. I just boughta first response and itcame out neg