"been on the shot for 6yrs doctor told me i&#039;ve been on it to long so i didn&#039;t get my last shot in july, still waiting for my period and they don&#039;t know what to tell me when i ask how long. never had acne before, now i do and definitely gained weight. as a birth control i love it. never had a period and don&#039;t remember to have to take daily pill."