Oral contraceptives (OCs) reduce the risk of endometrial, ovarian cancers in some population and this benefit is attributed to dysregulation in hormone levels. The cancer drop is beneficial more in women with different lifestyle factors, such as obesity, smoking, drinking and irregular exercise. Introduction The effect of OCs depends upon the duration of its use. Increased risk of breast cancer was reported in women those who were current users.
However, in long-term users, the risk reduction was more in cases of ovarian and endometrial cancer and less likely in cases of colorectal cancer. It was necessary to understand the consistent use of OCs and cancer association across different lifestyle, including smokers, obese, drinkers and those who exercise irregularly. Study objective To understand the association between long-term use of OCs and the risk of cancers across subpopulations.…
