I USE SPERMICIDE CONTRCEPTIVES. I HAVE HAD SEX, MAYBE 2 TIMES THE PROTECTIVE TIME MAY HAVE BEEN UP.I HAVE NOT GOTTEN MY PERIOD FOR 2 MONTHS. I AM GAINING ALOT OF WEIGHT, MY BREASTS ARE GETTING SORE AND BIG.I AM CONSTANTLY DRINKING WATER. ALSO, I PEE ALOT MORE.COULD I POSSABLY BE PREGNANT AT AGE 51? I DON'T THINK THIS IS POSSABLE. PLEASE LET ME KNOW.