"i&#039;ve been on the depo shot for 7 years. i was 120lb when i started and now i&#039;m 192lb.. i have constantly tried to loose weight and can&#039;t... i&#039;m 24 years old and have experienced a lot of the side effects.. weight gain ,hair loss, mood swings joint and muscle pain,  constant headaches and dizzy, no sex drive at all and more.. the first three year i had spotting every now and then and would some times bleed for 12 days straight.. and then i was only getting a period once a year....i just recently stopped the depo shot after getting a lap procedure done ... i was told that i may not ever be able to have kids because of how long i was on the depo. others say it may take 2 years... i decided to stop now in case there might still be a chance"