Research indicates that use of the pill may increase the risk of [[breast cancer]] by 44%, the most common cancer in women, according to an analysis of 34 different studies.<ref>http://www.drkoop.com/newsdetail/93/8014817.html</ref> There is also an increased risk of cervical and liver cancer. | Research indicates that use of the pill may increase the risk of [[breast cancer]] by 44%, the most common cancer in women, according to an analysis of 34 different studies.<ref>http://www.drkoop.com/newsdetail/93/8014817.html</ref> There is also an increased risk of cervical and liver cancer. |