pill and no period

So I'm on the birth control pill and my period is 14 days late 
Normally always on time and have been on the pill for a year 
-I was having a lot of problems earlier and had to see doctors and have emergency ultrasounds which came back clear for anything 
-also tested for infection and sti/std which were negative 
-pregnancy test negative and blood test negative 
-sore boobs
-constantly hungry
-VERY moody
-cramp like pain in my lower belly 
-have been having unprotected sex
-have not missed pill and taken on time every night