"i have been taking yaz for about a year now. my skin cleared, my periods have always been light, my cramps are normal, or easier to deal with. however, i cannot gain weight, and my breast&#039;s grew about a cup size. i know these things don&#039;t sound like a bad experience, and i am not saying i dislike this contraceptive, but obviously, not being able to weigh more then 115lbs isn&#039;t exactly normal. i also just don&#039;t really have much of an appetite. i am especially hungry in the morning. i occasionally get tension headaches, however, not sure if that has any relation to this. "