Hi doctor , I had an intercourse without any protection 3 months ago, now adays I am not feeling well,I am scared and doubt about pregnancy , my mensuratnal cycle z fyn..its jus i hv sevre stomach ache nw a days during periods earlier wich ws nt..n since last mnth i m feelin tired,heavy head ,thirsty,weak,stomach ache,mrng sickness n constipation .. Is it possible tht me being pregnant.