Birth control pills raise the levels of estrogen in a woman to unnatural levels. This creates a hormonal imbalance in your body. Remember the pill is taken throughout the month. So when you continuously raise estrogen levels over an extended period of time, it is bound to have side effects that are neither pleasant nor desirable.
While birth control pills are the most widely prescribed drugs for women with PCOS, their potential risks seem to outweigh the benefits. PCOS is now being widely acknowledged as a lifestyle issue that needs a lifestyle solution. Just because birth control pills seem to make you have a normal period, it does not mean your problem is really solved. PCOS goes beyond just the ovaries and the irregularities of the menstrual cycle. It is a whole-body, multi-system disorder.