About 10 months ago, I had three large ovarian cysts surgically removed. My doctor put me on birth control, but I got off of it a few months ago. Lately, I've been experiencing pains in my sides (same places I experienced them before when I had the previous cysts), my period is absent, and I've been gaining weight for no reason. I'm very worried because I'm only 15 years old. Could the cysts be back? Could this prevent me from having children later in life? Any responses will be appreciated!