Could I be preganant? My last period was july 28,05 and me and my boyfriend had sex august the 12,13,14 and I forgot to take my birth control pill and we didn't use a condom and my period didn't come the this month august the 28th and I have some of the signs of being pregnant they come and go and I'm 19 but I stay with my mom and I'm worry to tell her If i'm am so Could I be?