First of all there are all kinds of hormones in the body. Hormones are "chemical messengers" meaning the presence
of certain hormones tells parts of your body what to do. Estrogen is in
both males and females. in males it helps sperm cells to mature. in
females it tells your secondary sex characteristics to develop (breast,
start period), effects your metabolism, mood, bone, and more. When you
ovulate (release an egg) estrogen levels increase .