TTC question what should i do?

me and my husband to be have been ttc ever sense our son died last year (misscarred at 18 1/2 weeks) and every month i keep thinking this is our month. ill have all the symptomes but always get a BFN. we stopped trying for a while so i can get my mind off of it for a while. we just started ttc again like last month and this month for sure i thought i was i felt exactly how i felt when i was preqo with my first baby. again another BFP what other methods should i use were both healthy and his swimmers and my eggs are fine so what else should we try?? right now i only get nausous in the mornings or if i dont eat every hour or so and on my left on the side its extremely tender it hurts really bad if you touch it...what could that mean? i know your not doctors but i would appreciate any advice. please && thanks=)