birth control
"It's effective when used correctly. During the first two months I experienced headaches and slight hair loss around my hairline. I used to go around 40 days between periods and they lasted 8 or 9 days. I now have "normal" or predictable periods. My breasts are always tender during the third week, but I've grown at least a cup size, so I'm OK with that. Most importantly, I'm not pregnant."