Other than preventing pregnancy and lightening periods, what are the effects of birthcontrol?

Suppress ovulation. Birth control pills work by suppressing ovulation. The estrogen it it regulates periods. They also increase a protein called sex hormone binding globulin which binds extra sex steroids and can decrease acne. Some rare side effects include blood clots in legs. It is best to give a new pill three months to get used to it.

Related Questions

Started birth control (microgestin) on 2nd day of period, how long till it is effective in preventing pregnancy?

This month. As long as you take the pill everyday as directed at the same time each day, the pill is effective this month. Some exercise caution by using a "back up" method of contraception for the first month in conjunction with the pill. Read more...