Serious as well as minor side effects have been reported with the use of oral contraceptives. Serious risks, which can be life threatening, include blood clots, stroke and heart attacks are increased if you smoke cigarettes.

Some studies have reported an increase in the risk of developing breast cancer among women who use oral contraceptives. However, the majority of studies have found no overall increase in this risk.

Some studies have reported an increase of developing breast cancer, particularly at a younger age. This increased relative risk appears to be related to duration of use. You should not use any birth control pill for periods of more than six months without consulting a doctor.