"i&#039;ve had it for two year now. it works great, i haven&#039;t had any surprise pregnancies... but, i have gained 40 lbs since  then despite exercising a 3-5 times a week and controlled eating habits. the first few months i felt really fatigued and got a lot of large acne flare ups and my appetite increased like crazy - i was never satisfied/full. i gained 10 lbs those first few months. i&#039;ve had no bleeding at all, which was nice. those are my only complaints. i will be getting off the shot bc with all my physical activity and limited eating, i still gain weight :("