Taking birth control pills depends upon your wish. There is no hard and fast time period for it. You can take it as long as you wish for birth control. There is no relation between prolonged consumption of birth control pills and conceiving after it. Hence, you nod to be worried about that. Menstrual cycle is not affected by consumption of these pills. If you had regular periods before consuming these pills, there will not be any disturbance after stopping them. Birth control pills have the potential to diminish risk of ovarian and endometrial cancers.

However, it might enhance the possibility of cervical and liver cancer. Hence, you need to consume them after proper doctor consultation. However, there are certain medical criticalities under which consumption of birth control pills are not advised. If you have blood clotting problem, high blood pressure or heart diseases, consumption of these pills might work adversely.

They enhance your blood pressure and cholesterol level. These pills are not advised after age of 35 if you are addicted to smoking. Heart patients also should not take these pills once they reach 35 years of age. However, in normal cases you can use them till menopause.